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Diesel Engines
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By *oo hot OP Couple
over a year ago
North West |
Anyone up to speed on the latest regulations for Diesel engines? Didn’t want to take the Nissan threads off topic so thought I would start a new one.
I thought that the latest regulations for Diesel engines requiring the use of AdBlue were as far as the EU were going with this? Is there more moves afoot? AdBlue seemed a relatively easy fix to reduce NO emissions by up to 80%. |
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By (user no longer on site)
over a year ago
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"Anyone up to speed on the latest regulations for Diesel engines? Didn’t want to take the Nissan threads off topic so thought I would start a new one.
I thought that the latest regulations for Diesel engines requiring the use of AdBlue were as far as the EU were going with this? Is there more moves afoot? AdBlue seemed a relatively easy fix to reduce NO emissions by up to 80%."
No idea, though I do drive a diesel I haven't a clue  |
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By (user no longer on site)
over a year ago
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"My little scooter runs on white spirit distilled in the garden shed. Its emissions have some remarkable health properties, unlike that horrible oily stuff."
Great, good for you  |
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By (user no longer on site)
over a year ago
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Yeah diesel was all the rage back in 70's, 80's and 90's. A little more to buy from the showroom but cheaper fuel and more miles to the gallon. Also diesel engines tended to last longer, have wider gaps between services and were more efficient for pulling trailers etc. For someone putting in big miles it was a no-brainer....diesel was best.
Fast forward a decade or so and they are now viewed as the devil's bottom. Diesel at the pump is on average 5p per litre more expensive than unleaded petrol in britain .... simply to subsidise a cheaper petrol price. |
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By *ara JTV/TS
over a year ago
Bristol East |
I don't think it's a case of subsidy at all.
The studies show that diesel emissions are more harmful.
You should trying tasting it on a scooter when you are snaking between a double-decker bus and a cement mixer in a traffic jam lololol
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By (user no longer on site)
over a year ago
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Oh i'm sure you're right however not all of the oxygen going into a diesel engine reacts and therefore a significant expulsion through the exhaust is unburnt oxygen. Petrol fumes are more damaging to the lungs etc than diesel....ever hear of someone taking their own life with a diesel car and hosepipe? |
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By (user no longer on site)
over a year ago
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"Oh i'm sure you're right however not all of the oxygen going into a diesel engine reacts and therefore a significant expulsion through the exhaust is unburnt oxygen. Petrol fumes are more damaging to the lungs etc than diesel....ever hear of someone taking their own life with a diesel car and hosepipe?"
Not since petrol cars have had catalytic convertors  |
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By *ara JTV/TS
over a year ago
Bristol East |
I read a curious angle to this story.
The congestion in Bristol is pretty awful.
Especially the city centre.
The emissions are estimated to cause 300 premature deaths a year.
Plus the associated asthma and whatnot.
The worst affected areas are the most deprived areas where vehicle ownership levels are lowest.
Ironic.
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By (user no longer on site)
over a year ago
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"Oh i'm sure you're right however not all of the oxygen going into a diesel engine reacts and therefore a significant expulsion through the exhaust is unburnt oxygen. Petrol fumes are more damaging to the lungs etc than diesel....ever hear of someone taking their own life with a diesel car and hosepipe?
Not since petrol cars have had catalytic convertors "
they only reduce particulate elements but the lethal gasses still pollute the air... people still use the hosepipe and petrol engine to top themselves even with modern cars... |
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By (user no longer on site)
over a year ago
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"Oh i'm sure you're right however not all of the oxygen going into a diesel engine reacts and therefore a significant expulsion through the exhaust is unburnt oxygen. Petrol fumes are more damaging to the lungs etc than diesel....ever hear of someone taking their own life with a diesel car and hosepipe?
Not since petrol cars have had catalytic convertors
they only reduce particulate elements but the lethal gasses still pollute the air... people still use the hosepipe and petrol engine to top themselves even with modern cars..."
The stop start system on modern cars is murder for potential suicide cases. |
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By (user no longer on site)
over a year ago
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"So I still don’t understand why Diesel engines are still bad if all new engines meet Euro 6 standards via AdBlue injection systems?
"
One of the reasons is....diesel engines can (with minimal modification) run on sunflower oil. Sunflower oil cannot be taxed to the bollox by government. So it makes sense for the powers that shouldn't be to demonise diesel and embrace petrol. |
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By *ombikerMan
over a year ago
the right side of the river |
"So I still don’t understand why Diesel engines are still bad if all new engines meet Euro 6 standards via AdBlue injection systems?
One of the reasons is....diesel engines can (with minimal modification) run on sunflower oil. Sunflower oil cannot be taxed to the bollox by government. So it makes sense for the powers that shouldn't be to demonise diesel and embrace petrol."
Bio diesel from plant oil is quite easy to make and carbon negative because only a fraction of the carbon absorbed by the plant is in the seed that the oil comes from.
The powers do not want people having a possible power source that they do not control. I will just put my tinfoil hat on now
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"I'm not a car buff at all, but I do know the plan is to outlaw the sale of fossil fuel engines by 2040.
That's the UK proposal. The French have something similar.
"
It's only for new cars. It won't effect any cars currently on the road.
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"I read a curious angle to this story.
The congestion in Bristol is pretty awful.
Especially the city centre.
The emissions are estimated to cause 300 premature deaths a year.
Plus the associated asthma and whatnot.
The worst affected areas are the most deprived areas where vehicle ownership levels are lowest.
Ironic.
"
All figures on deaths relating to pollution are based on very unsound statistics.
I wouldn't believe any of them.
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By *asyukMan
over a year ago
West London |
If you really want to get into this you need to have a look at the new Euro NCAP 6 and WLTP regulations that have come into force.
They are significantly stricter. Ironically they would have addressed a lot of the problems that have been identified in the recent scandals. So much so that a lot of brand new cars have had to be scrapped.
However, public perception has now turned against the fuel so that in trying to dishonestly game the system to make a bigger margin the auto industry has written off years if investment.
Billions now being spent on electric car development and charging infrastructure. |
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By *oo hot OP Couple
over a year ago
North West |
"If you really want to get into this you need to have a look at the new Euro NCAP 6 and WLTP regulations that have come into force.
They are significantly stricter. Ironically they would have addressed a lot of the problems that have been identified in the recent scandals. So much so that a lot of brand new cars have had to be scrapped.
However, public perception has now turned against the fuel so that in trying to dishonestly game the system to make a bigger margin the auto industry has written off years if investment.
Billions now being spent on electric car development and charging infrastructure."
As per my original post. New Diesel engines are EURO NCAP6 compliant. |
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By *ara JTV/TS
over a year ago
Bristol East |
"I read a curious angle to this story.
The congestion in Bristol is pretty awful.
Especially the city centre.
The emissions are estimated to cause 300 premature deaths a year.
Plus the associated asthma and whatnot.
The worst affected areas are the most deprived areas where vehicle ownership levels are lowest.
Ironic.
All figures on deaths relating to pollution are based on very unsound statistics.
I wouldn't believe any of them.
"
The numbers may be educated guesswork. But do you accept people are dying prematurely because of fossil fuel engines?
I mean, if the emissions were good for you, the exhaust would be on the inside of your car, not the outside. Wouldn’t they?
So the driver gains from the product and discharges the liability into the lungs of others who have no choice. |
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"I read a curious angle to this story.
The congestion in Bristol is pretty awful.
Especially the city centre.
The emissions are estimated to cause 300 premature deaths a year.
Plus the associated asthma and whatnot.
The worst affected areas are the most deprived areas where vehicle ownership levels are lowest.
Ironic.
All figures on deaths relating to pollution are based on very unsound statistics.
I wouldn't believe any of them.
The numbers may be educated guesswork. But do you accept people are dying prematurely because of fossil fuel engines?
I mean, if the emissions were good for you, the exhaust would be on the inside of your car, not the outside. Wouldn’t they?
So the driver gains from the product and discharges the liability into the lungs of others who have no choice. "
Maybe have a think about that next time you're smoking near to someone who is inhaling the discharge of the product your using. |
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By *ara JTV/TS
over a year ago
Bristol East |
"I feel sorry for those who maybe can't afford to change there car for a cleaner model. Unfortunately they get penalised with extra tax ext. "
I seem to recall a “cash for clunkers” scheme under Gordon Brown.
After the financial crash of 2008, and to escape the liquidity trap, the UK Government guaranteed you £2k for your old car, if pre-2001 or something, when traded in for a new model.
It kept the car industry working, pumped cash into the economy and took the dirtiest cars off the road. |
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By (user no longer on site)
over a year ago
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"Oh i'm sure you're right however not all of the oxygen going into a diesel engine reacts and therefore a significant expulsion through the exhaust is unburnt oxygen. Petrol fumes are more damaging to the lungs etc than diesel....ever hear of someone taking their own life with a diesel car and hosepipe?
Not since petrol cars have had catalytic convertors
they only reduce particulate elements but the lethal gasses still pollute the air... people still use the hosepipe and petrol engine to top themselves even with modern cars..."
.
The carbon monoxide Sends you to sleep but you die from asphyxiation. |
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By (user no longer on site)
over a year ago
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"Anyone up to speed on the latest regulations for Diesel engines? Didn’t want to take the Nissan threads off topic so thought I would start a new one.
I thought that the latest regulations for Diesel engines requiring the use of AdBlue were as far as the EU were going with this? Is there more moves afoot? AdBlue seemed a relatively easy fix to reduce NO emissions by up to 80%."
I just read this and think you have already found the answers.
I was similar to yourself with regards to regulations but even more concerned as I live in Scotland and Scottish Parliament (SNP) are looking for Scotland to be Carbon Free.
Due to this I wrote direct to my MP and he passed the letter onto Roseanna Cunningham as she is the Scottish politician who is the Cabinet Secretary for Environment, Climate Change and Land Reform.
It took 6 weeks for reply, but the letter did state that if the diesel car was adblue - Euro6 then they were quite content with this and they had no intention on increasing taxation or penalising these vehicles for city driving (Edinburgh / Glasgow, Aberdeen / Dundee). Camera's will be set up in these cities for high emission vehicles and anyone who enters will receive a £20 penalty per day.
Diesel vehicles which are Euro6 will not be effected.
Euro5 will have a scaled emission charge.
The letter did put my mind at rest, it also stated they were aware of rural communities and the problems of implementing carbon free area's and that is why they decided on euro6 as a playing field level.
Please note, this was Scottish Parliament, I have no idea what Westminster / England has set their regulations at. Best thing is to write direct to your MP, you will get a reply.
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By (user no longer on site)
over a year ago
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"Yeah diesel was all the rage back in 70's, 80's and 90's. A little more to buy from the showroom but cheaper fuel and more miles to the gallon. Also diesel engines tended to last longer, have wider gaps between services and were more efficient for pulling trailers etc. For someone putting in big miles it was a no-brainer....diesel was best.
Fast forward a decade or so and they are now viewed as the devil's bottom. Diesel at the pump is on average 5p per litre more expensive than unleaded petrol in britain .... simply to subsidise a cheaper petrol price. "
...and now that every Diesel car comes with a turbo bolted to it in order to give similar performance to a normally aspirated pdtrol engine (anyone remember how painfully slow normally aspirated diesels were?) they're far less efficient. My Diesel Mondeo is actually returning less mpg than my 3.8 litre muscle car which runs on cheaper unleaded |
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By *edonistsatplayCouple
over a year ago
Portsmouth, North Brittany, France |
I'm all for saving the planet and I certainly prefer fresh air to anything that comes out of any exhaust system... but...
Once again we are getting knee jerk reactions from governments who have to be seen to be doing something for the environment! How many diesel engines are in use?? Lorries, vans, diggers, trains, fishing boats, buses et al
So the bigger question is - what is the alternative???
Electric cars move the problem elsewhere - more power stations needed (sorry but even with all the wind farms not one power station has been closed down!!)
Apparently if everyone in France used electric cars, they would have to double output, also the batteries have limited lives and reduced charge once the temp drops around freezing. The production and disposal/recycling of the batteries doesn't do the environment much good either plus the plastics and aluminium that you need to make the vehicle as light as possible chew up even more energy.
And the one major problem - lack of range and the time to re-charge.
Hydrogen?? We've been told that climate change will make the planet wetter - how many vehicles producing how much water??
I still run an ancient Land Rover (17 years old now) it has a cat converter and still sales through its bi-annual test. Friends of ours are now on their 4th car for the same time period - who has produced more pollution??
Sure electric cars may work in the major cities but, like many, we live out in the sticks and currently there is no alternative.
If there are people who can design computers that fix into a matchbox and put probes onto Mars, there must be a solution somewhere - it just needs the will power and, more importantly, the funding to get the job sorted! |
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I expect we will be seeing a growth in hydrogen fuel cells in the near future. It seems to me that there are 2 obstacles to their introduction.
The first is really quite minor. That is putting in place the infrastructure to supply H2 around the country.
The second is the real hurdle. Finding a way to tax H2 as a road fuel and stopping private individuals using home generated electricity and small scale electrolysis, compression and storage (in Acetylene type bottles) to produce their own fuel. |
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By (user no longer on site)
over a year ago
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"
Electric cars move the problem elsewhere - more power stations needed (sorry but even with all the wind farms not one power station has been closed down!!)
!"
Quite a few coal stations have closed recently and more are listed for closure. |
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By (user no longer on site)
over a year ago
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"I expect we will be seeing a growth in hydrogen fuel cells in the near future. It seems to me that there are 2 obstacles to their introduction.
The first is really quite minor. That is putting in place the infrastructure to supply H2 around the country.
The second is the real hurdle. Finding a way to tax H2 as a road fuel and stopping private individuals using home generated electricity and small scale electrolysis, compression and storage (in Acetylene type bottles) to produce their own fuel."
Hydrogen car & fuel prices need to dramatically reduce to become mainstream as at this time I think it's only a Toyota Mirai, which costs £66,000 available in the UK and hydrogen fuel currently costs more to run than a terribly thirsty petrol car. |
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"Hydrogen car & fuel prices need to dramatically reduce to become mainstream as at this time I think it's only a Toyota Mirai, which costs £66,000 available in the UK and hydrogen fuel currently costs more to run than a terribly thirsty petrol car. "
Fuel cell cars have gone from being £1,000,000+ 1 off exotic playthings for billionaires and concepts for mass-market car manufacturers to now available at the 'entry level' luxury executive vehicle price bracket in 10 years. In another 5 to 10 years that price point will have dropped to family car bracket.
As for the fuel, the only reason it is so expensive is because there is neither the production capacity or the retail outlets (last I heard there were less than 20 in the country) and so H2 fuel is overpriced. |
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By (user no longer on site)
over a year ago
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" My Diesel Mondeo is actually returning less mpg than my 3.8 litre muscle car which runs on cheaper unleaded
Sounds like your Mondeo is fucked then "
Sailed through it's MoT last month and the tester told me that the emissions were very clean
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By *ara JTV/TS
over a year ago
Bristol East |
"
Hydrogen car & fuel prices need to dramatically reduce to become mainstream as at this time I think it's only a Toyota Mirai, which costs £66,000 available in the UK and hydrogen fuel currently costs more to run than a terribly thirsty petrol car. "
Hydrogen is the way forward, I think, but it needs to make a technical leap to become a practical choice.
The alternative of electrical car charging will require huge investment in additional power stations and charging points.
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By (user no longer on site)
over a year ago
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"Hydrogen car & fuel prices need to dramatically reduce to become mainstream as at this time I think it's only a Toyota Mirai, which costs £66,000 available in the UK and hydrogen fuel currently costs more to run than a terribly thirsty petrol car.
Fuel cell cars have gone from being £1,000,000+ 1 off exotic playthings for billionaires and concepts for mass-market car manufacturers to now available at the 'entry level' luxury executive vehicle price bracket in 10 years. In another 5 to 10 years that price point will have dropped to family car bracket.
As for the fuel, the only reason it is so expensive is because there is neither the production capacity or the retail outlets (last I heard there were less than 20 in the country) and so H2 fuel is overpriced."
Yep, like everything it's going to take time though I like the idea of electric more as that currently has the potential to be fully green and a nationwide roll out is semi advanced but much more could be done infrastructure wise. |
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"Yep, like everything it's going to take time though I like the idea of electric more as that currently has the potential to be fully green and a nationwide roll out is semi advanced but much more could be done infrastructure wise. "
Actually there is a stand alone (photovoltaic/electrical and mains plug-in semi commercial system with 1 delivery point that cracks water, compresses and stores the Hydrogen on the market at quite a reasonable price, but last I heard the petrol suppliers (Shell, Exon, BP) were using their political and economic power to suppress there sales. |
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By (user no longer on site)
over a year ago
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"Actually there is a stand alone (photovoltaic/electrical and mains plug-in semi commercial system with 1 delivery point that cracks water, compresses and stores the Hydrogen on the market at quite a reasonable price, but last I heard the petrol suppliers (Shell, Exon, BP) were using their political and economic power to suppress there sales."
Have you any idea how much energy is needed to 'crack' water??
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"Have you any idea how much energy is needed to 'crack' water??
"
I would have to look it up, but I do know that the colder the water the more energy it takes, so the energy to boil water and then some. However do you know how much energy it takes to distil crude oil 'crack' it (to remove Sulfur) and transport it to retail outlets? Do you think that considering one (electrolysis of water) can be decentralised while the other (fractional distillation of crude oil) needs to be highly centralised, that the overall cost may be quite similar? |
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By *ara JTV/TS
over a year ago
Bristol East |
The Green New Deal.
Whereas that idiot Trump sees climate change as a threat to business (rather than people), she sees it as an opportunity for business to protect people.
One is looking backwards, the other is looking forwards.
And in a crowded field, she has succeeded in being talked about. |
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"The trouble with lefties is there all crackpots living in utopia.
Alexandria ocasio Cortez in Congress now is planning all sorts of batshit crazy ideas."
You're totally right, just look at the shit job Atlee's (social democratic) Labour government did from 1945 to 1951. God help US education, the US people and the US medical insurance industry in particular if AOC and the progressives are actually able to bring about change.
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By (user no longer on site)
over a year ago
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"The Green New Deal.
Whereas that idiot Trump sees climate change as a threat to business (rather than people), she sees it as an opportunity for business to protect people.
One is looking backwards, the other is looking forwards.
And in a crowded field, she has succeeded in being talked about."
.
Nothing intrinsically wrong with a green deal but hers is batshit crazy leftist nonsense, even her own pr people had to distance themselves from certain clauses by claiming it was a republican hack .
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By (user no longer on site)
over a year ago
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"Alexandria ocasio Cortez in Congress now is planning all sorts of batshit crazy ideas.
Have a listen to an AOC batshit crazy idea being expressed in Congress:
https://youtu.be/j_gxiMTIudA"
.
She's as dingbat nuts as they come |
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"Nothing intrinsically wrong with a green deal but hers is batshit crazy leftist nonsense, even her own pr people had to distance themselves from certain clauses by claiming it was a republican hack .
"
Oh, you think that AOC and the progressives and the Corporate Democrat establishment are the the same people.
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By (user no longer on site)
over a year ago
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"Nothing intrinsically wrong with a green deal but hers is batshit crazy leftist nonsense, even her own pr people had to distance themselves from certain clauses by claiming it was a republican hack .
Oh, you think that AOC and the progressives and the Corporate Democrat establishment are the the same people.
"
.
What comes out the back of hydrogen cars? |
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By (user no longer on site)
over a year ago
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I've just had a quick scan of her plan.
Within 12 years she'll eliminate air travel with high speed rail.
All use of fossil fuel will be eliminated, the state will give jobs to everybody and those who don't WISH to work will be given financial assistance anyway the United States will be carbon neutral within twelve years.
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By (user no longer on site)
over a year ago
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"What comes out the back of hydrogen cars?
Deionised water."
.
That's hydrogen fuel cells not a car running on hydrogen but let's take that your going to replace all 120 million cars in America with fuel cells... What's the energy required to do it and where are you going to get that energy from?. |
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By (user no longer on site)
over a year ago
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"I read a curious angle to this story.
The congestion in Bristol is pretty awful.
Especially the city centre.
The emissions are estimated to cause 300 premature deaths a year.
Plus the associated asthma and whatnot.
The worst affected areas are the most deprived areas where vehicle ownership levels are lowest.
Ironic.
"
Twas ever thus! The east end of London was not a place to live in olden times because the prevailing winds drove the posh peoples smoke and emissions in their direction along with the open sewer that the thames became. Weirdly though in pre-victorian times there were watercress beds and orchards in Hackney. The poor end up in the deprived and undesirable areas of town wherever they are as the wealthy move up the hill or upstream or to the coast. I could go into the geographic problems of post industrial Bristol’s air pollution but I am sure you know it well. |
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"That's hydrogen fuel cells not a car running on hydrogen but let's take that your going to replace all 120 million cars in America with fuel cells... What's the energy required to do it and where are you going to get that energy from?."
Actually it's any 'engine' running on hydrogen (unless it is a fusion device when the exhaust would be helium), but never mind we are talking semantics here.
To answer your basic question which is one of energy requirements and resources. you are wrong from the outset because you speak in absolutes and absolutes do not apply.
The simple answer is I do not know, but I know it is a lot lower than you believe because it is the difference between that we expend now to continue the present model and that we would expend to change model. And I know that our present traditional energy suppliers are demanding more and more protection from renewable energy sources especially local (that's rooftop photovoltaic generation).
So please, rather than being a Luddite shrill for the fossil fuel industry, get with the program and get on the right side of saving life on earth. |
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By (user no longer on site)
over a year ago
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"That's hydrogen fuel cells not a car running on hydrogen but let's take that your going to replace all 120 million cars in America with fuel cells... What's the energy required to do it and where are you going to get that energy from?.
Actually it's any 'engine' running on hydrogen (unless it is a fusion device when the exhaust would be helium), but never mind we are talking semantics here.
To answer your basic question which is one of energy requirements and resources. you are wrong from the outset because you speak in absolutes and absolutes do not apply.
The simple answer is I do not know, but I know it is a lot lower than you believe because it is the difference between that we expend now to continue the present model and that we would expend to change model. And I know that our present traditional energy suppliers are demanding more and more protection from renewable energy sources especially local (that's rooftop photovoltaic generation).
So please, rather than being a Luddite shrill for the fossil fuel industry, get with the program and get on the right side of saving life on earth."
.
Your right it is semantics because the other would be water vapour, not that semantic though as water vapour is actually the largest greenhouse gas there is, anyhow back to science and absolutes and saving the earth, I suggest you do find out the answer before giving it as a wonder cure to save us, when you use vast amounts of energy from fossil fuel to convert to a low carbon form I suggest it better bloody work otherwise it's just adding to the problem, don't you think?.
I says that because there's plenty of research that suggest adding hydrogen to the atmosphere via say a 10% leakage would be as bad as fossil fuel gases.
I'm more of a realist than a luddite  |
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By *ara JTV/TS
over a year ago
Bristol East |
"
Twas ever thus! The east end of London was not a place to live in olden times because the prevailing winds drove the posh peoples smoke and emissions in their direction along with the open sewer that the thames became. Weirdly though in pre-victorian times there were watercress beds and orchards in Hackney. The poor end up in the deprived and undesirable areas of town wherever they are as the wealthy move up the hill or upstream or to the coast. I could go into the geographic problems of post industrial Bristol’s air pollution but I am sure you know it well. "
Indeed. The well-heeled built their homes upwind of the Industrial Revolution and left the poorer folks to breath in the shit downwind.
That's why the West End tends to be the posh bit and the East End the poorer neighbourhood in cities.
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By (user no longer on site)
over a year ago
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"
Twas ever thus! The east end of London was not a place to live in olden times because the prevailing winds drove the posh peoples smoke and emissions in their direction along with the open sewer that the thames became. Weirdly though in pre-victorian times there were watercress beds and orchards in Hackney. The poor end up in the deprived and undesirable areas of town wherever they are as the wealthy move up the hill or upstream or to the coast. I could go into the geographic problems of post industrial Bristol’s air pollution but I am sure you know it well.
Indeed. The well-heeled built their homes upwind of the Industrial Revolution and left the poorer folks to breath in the shit downwind.
That's why the West End tends to be the posh bit and the East End the poorer neighbourhood in cities.
"
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Yeah got nothing to do with those big dockyards in the East  |
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" My Diesel Mondeo is actually returning less mpg than my 3.8 litre muscle car which runs on cheaper unleaded
Sounds like your Mondeo is fucked then
Sailed through it's MoT last month and the tester told me that the emissions were very clean
"
An mot isn't a test of efficiency, and mpg is an indication of how heavy your right foot is as much as anything else is, as is clean emissions test. A diesel engine will run cleaner at full load, running it at low load will result in lots of carbon build up. It's why diesels perform better on long journeys where the engine is allowed to get up to temperature, lots of low speed journeys around a city is not good for diesel engines. All a turbo does is blows more air into an engine, more air equals more oxygen, with more oxygen you can burn more fuel for the given size of the engine. So a 1800 cc turbocharged engine cannot be compared to an 1800 cc normally aspirated engine because it is effectively a 3600 cc engine when you bolt a turbo on it. The advantage is you get a more powerful engine, with more torque without the extra weight of an engine that is double the size and weight, obviously with more power the fuel economy goes down as you are burning fuel to provide any and all power... A lot of the new eco cars that are petrol are now turbocharged, I recently had a focus with a 1 litre engine for a few weeks, it didn't drive like a 1 litre car, the economy wasn't like a 1 litre car either, it performed like a 1.8-2.0 litre car, and probably was slightly more fuel efficient than a car with an engine of that size simply because the weight of the engine was substantially less. |
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