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Why do the 2012 Car Engines get better gas milage?

Nelly

Nelly

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I was just wondering ( rambling):?
Opel (GM), Toyota, Audi etc have all release new cars this year that are not Hybrids. Yet they all claim 70+ MPG.
Why are they so much more efficient than previous years?
How old are the new engine designs?
Can we expect even more efficient Fossil fuel power plants in the future?
Why has it taken so long to get engine efficient?

Nelly
 
We'll see if they actually get that kind of mileage. The only cars I know of right now that get that kind of mileage are small diesels in Europe.
 
CBRF3RIDER said:
Wouldnt mind one of those Blue Motion Passats over here
Click to expand...

America hates small diesels for the most part. It's a shame too cause they are efficient and really durable for the most part..........except those times the US manuf. tried to get in on the game and screwed up the rep of small diesels lol :Flash:
 
there arent any being siold here with that milage. I work for toyota and have heard of nothing here either. The figure they are stating is 3.6l/100km our hybrids dont come close to that.
 
Downs said:
We'll see if they actually get that kind of mileage. The only cars I know of right now that get that kind of mileage are small diesels in Europe.
Click to expand...
These cars are Diesels and smaller displacement than the US engines.
I still think that it's pretty amazing that the efficiency claims have almost doubled.

Nelly
 
aussiejules said:
there aren't any being sold here with that mileage. I work for Toyota and have heard of nothing here either. The figure they are stating is 3.6l/100km our hybrids dont come close to that.
Click to expand...
I will try and find a linky for the TV Ad.
Opel Review http://www.autoexpress.co.uk/carreviews/firstdrives/267550/vauxhall_corsa_13cdti.html
Toyota [ I got the MPG wrong on this, only a miserly 58.9mpg] http://www.toyota.ie/models/yaris/
Ford http://www.whatcar.com/car-news/80-mpg-ford-focus-coming-early-2012/256399
I will keep an eye on the Box as one manufacture is defo boasting 80 mpg.
Nelly
 
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I rented one of those Bluemotion Passat wagons on a trip to the UK 2 years ago. The good news was over 700 miles to a tank (averaged 45.5 miles per US gallon), but the bad news was $150 to fill it !!

I can get 700 miles out of about $150 of gas here in Texas and I drive a 5.4L V8 Ford Expedition.
 
texcollect said:
I rented one of those Bluemotion Passat wagons on a trip to the UK 2 years ago. The good news was over 700 miles to a tank (averaged 45.5 miles per US gallon), but the bad news was $150 to fill it !!

I can get 700 miles out of about $150 of gas here in Texas and I drive a 5.4L V8 Ford Expedition.
Click to expand...

You can thank their insane taxes for that :thumbup:
 
Downs said:
America hates small diesels for the most part. It's a shame too cause they are efficient and really durable for the most part..........except those times the US manuf. tried to get in on the game and screwed up the rep of small diesels lol :Flash:
Click to expand...

It's because of the higher emissions with diesel. That and they can't be sold I'm California, one of the largest car markets.

Small Turbo diesels are great, lots of torque and great mileage but more emissions.

Sent from my LG-P925 using Tapatalk
 
Eh there's things in place to help combat diesel emissions. The problem is the general US public has this in mind when they think about diesels

2147074_68_full.jpg


Or this

slide0092_image009.jpg


Modern small diesels run pretty damn clean and quiet. Hell most people now days when they get into a diesel VW or some such couldn't even tell you they are in one.

Oh the price mark up is usually pretty steep also for the diesel option.
 
The gas mileage has gone up because new technolgies have been added. For instance, Ford is using a system where it can run just the cylinders it needs to for the current situation. So, when you sit at a stop light, it's just running one to keep the engine turning. 2-4 on crusing usually, and then the full 6-8 on take off. Fuel/Air ratios can be monitored more closely and adjusted by cylinder now.

And so on.
 
All of this is absolute rubbish the real answer to the OP question is:
TBTKdj1UH42LbHTffBiFfX7CsVR3T8MO1WVFzLE8YTNLTm3di2.jpg

We could all buy a smart car and put a moped engine in it and it would get sweet gas mileage :D
OR if we were enthusiastic and not worried about MPGS....
[ame=http://www.youtube.com/watch?v=cV4HdsDZX6c&feature=related]Smart with hayabusa engine - YouTube[/ame]
 
I've been researching a new cage and was originally interested in a VW Tuareg with the 3.0 liter TDi V6. I liked the idea of the clean diesel, but I'm not sold on the required liquid Urea and DPF regen cycles. Also, there is no dealer support within 75 miles of my house.

The added low end torque for towing, and fuel economy did capture my interest though which led me to keep looking for something else.

My search has brought me to the Ecoboost line of engines from Ford. They're twin turbo charged and direct injected. They make greater horsepower and torque, deliver better fuel economy and don't have the added expense associated with Diesel engines. Gas is cheaper than diesel, and the oil changes use 5-6 quarts instead of 10+ like a typical diesel. No DEF fluid is required, and no DPF regen cycles are required.

My next cage (tow vehicle for my boat) will likely be an Ecoboost. I've actually been in contact with Ford asking them to make the 3.5 liter V6 Ecoboost and option on the new Explorers. 350 hp and 400+ pound feet of torque at 2,500 rpms is on par with small diesel engines without the weight and the extra maintenance expense.
 
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champion221elite said:
I've been researching a new cage and was originally interested in a VW Tuareg with the 3.0 liter TDi V6. I liked the idea of the clean diesel, but I'm not sold on the required liquid Urea and DPF regen cycles. Also, there is no dealer support within 75 miles of my house.

The added low end torque for towing, and fuel economy did capture my interest though which led me to keep looking for something else.

My search has brought me to the Ecoboost line of engines from Ford. They're twin turbo charged and direct injected. They make greater horsepower and torque, deliver better fuel economy and don't have the added expense associated with Diesel engines. Gas is cheaper than diesel, and the oil changes use 5-6 quarts instead of 10+ like a typical diesel. No DEF fluid is required, and no DPF regen cycles are required.

My next cage (tow vehicle for my boat) will likely be an Ecoboost. I've actually been in contact with Ford asking them to make the 3.5 liter V6 Ecoboost and option on the new Explorers. 350 hp and 400+ pound feet of torque at 2,500 rpms is on par with small diesel engines without the weight and the extra maintenance expense.
Click to expand...

I really like the idea of the Ecoboost. I think Chevy tried something similar but it never really took off. The Ecoboost seems to have hit the mark. I hope it holds true and they can carry the technology to other models outside of the Truck/SUV lines.
 
DownrangeFuture said:
The gas mileage has gone up because new technolgies have been added. For instance, Ford is using a system where it can run just the cylinders it needs to for the current situation. So, when you sit at a stop light, it's just running one to keep the engine turning. 2-4 on crusing usually, and then the full 6-8 on take off. Fuel/Air ratios can be monitored more closely and adjusted by cylinder now.

And so on.
Click to expand...

GM tried this in the 70s (maybe the 80s) and failed miserably. Computer tech just wasn't up to par at the time to effectively do it.
Chrysler has been doing it since the early 2000s. Overall it added only a slight MPG improvement over the regular non MDS (multi-displacement system) engines. Not enough of a boost to justify the added cost of the system to most people. Not to mention even though the other cylinders aren't firing the cylinders that are still have to turn the mass of the other cylinders that aren't firing.

So far the only company I've been impressed with since the GM/Chrysler bail out has been Ford. The ECOBOOST engines are really impressive as stated above. If you compare numbers between the ECOBOOST V6 and the naturally aspirated V8 in the half ton pickups the ECOBOOST is just about equal with them but get's better gas mileage.
 
Well, Ecoboost was covered in my "And so on". :P

And the mustang does do that, along with a few of the trucks. One of many things they're doing to increase gas mileage. I was just at work and didn't feel like elaborating/looking up all the info. So I just touched on the ones I could speak on for sure off the top of my head.
 
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