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Toyota Gasoline Engine Achieves Thermal Efficiency Of 38 Percent

Toyota Gasoline Engine Achieves Thermal Efficiency Of 38 Percent

Most internal combustion engines are incredibly inefficient at turning fuel burned into usable energy. The efficiency by which they do so is measured in terms of "thermal efficiency", and most gasoline combustion engines average around 20 percent thermal efficiency. Diesels are typically... read more

April 14, 2014 by  -
 
2013 Fiat 500e electric car, Los Angeles drive event, April 2013

Annual 10 Best Engines List: Diesels, Turbos, And Electric Too

You might think that a list of the best engines on sale would be dominated by screaming sports car engines or a muscular V-8 from the latest muscle car. And while it's true... read more December 17, 2013 by 


 
2014 Volkswagen Jetta

Volkswagen's Future Engines: All Turbo For Gasoline & Diesel

No more conventional gasoline engines for Volkswagen. The German automaker will phase out naturally aspirated engines for U.S. models over the next three or four years in... read more September 18, 2013 by 


 
EcoMotors OPOC engine diagram

China To Build EcoMotors' Efficient Opposed-Piston Engines

History makes fools of us all sometimes, none more so than when we dismiss certain ideas out of hand, only for them to come back years later and eat our words. That's why... read more April 9, 2013 by  12


 
diesel and AdBlue fillers in Audi Q7 TDI

Who Might Buy Diesels? Gasoline Drivers, Not Hybrid Owners

With a raft of new diesel vehicles entering the market this year and next, the question arises: Who exactly will buy them? Based on the results of a survey to be released... read more March 28, 2013 by  49


 
BMW 1-Series (European model) fitted with prototype 1.5-liter 3-cylinder engine

BMW's Three-Cylinder Engine: Same Power, Better Gas Mileage Than Four

How do you get better gas mileage from engines that create the same power as what you've built your brand on? If you're BMW, the answer is that you launch an entirely new... read more March 26, 2013 by  1


 
2013 Ford Focus 1.0 EcoBoost live photos

Getting Good Gas Mileage Is Hard; Will Tinier Engines Really Help?

How small is too small, when it comes to engines? Those of the "no replacement for displacement" school of thought might be thinking more about performance than they are gas... read more November 21, 2012 by  45


 
Ford's award-winning 1.0-liter EcoBoost engine

Five Engines That Prove Internal Combustion Isn't Dead Yet

Like it or not, the majority of the world's vehicles are still powered by internal combustion engines, rather than batteries, hydrogen and other alternatives. The good news... read more November 14, 2012 by  3


 
gas pump

Diesel-Like Direct-Injection Engine Gets 50 Percent Better MPG

There are plenty of advantages to diesel engines: High fuel efficiency, low CO2 emissions, and in modern turbocharged applications, plenty of easy-to-access torque and power... read more May 23, 2012 by 


 
2012 Jeep Grand Cherokee

Chrysler To Offer Diesel Engine Options, But Only In Trucks

If you’ve been waiting to buy a diesel-powered Jeep Grand Cherokee, you probably already know that one is on the way. Or if your tastes run to the Dodge brand instead... read more January 17, 2012 by  3


 
GM Renaissance Center American flag

American Exceptionalism: 2.4-Liter Four Is Only 'Tiny' In U.S.

There's been a fair amount of commentary in politics of late about "American exceptionalism," the notion that the U.S. is qualitatively different from any other country in... read more October 25, 2011 by  8


 
Ford's 1.0-liter EcoBoost engine. Image: Ford Motor Company

EcoBoost Gets Smaller: Ford Shows Its Three-Cylinder In Frankfurt

Ford is using the Frankfurt Auto Show to familiarize consumers with its latest EcoBoost engine offering. The 1.0-liter, three-cylinder EcoBoost engine will debut in European... read more September 19, 2011 by  5


 
First factory-built Fisker Karma live photos

Fisker To Use BMW Engines In Midsize 'Nina' Plug-In Hybrid

Fisker Automotive may still be waiting for final certification from the EPA and other regulatory bodies for its 2012 Karma plug-in hybrid sports sedan, but that's not... read more September 2, 2011 by  1


 
2012 Lincoln Navigator

Big SUV, Small Engine: EcoBoost V-6 In 2012 Lincoln Navigator?

We're beginning to sound like a broken record: One of the ways carmakers will meet new, tougher gas-mileage requirements will be to use smaller, more efficient engines in... read more August 31, 2011 by 


 
2011 Chevrolet Volt on test in Little Rock, Arkansas, July 2011

Electric-Car Withdrawal: Gasoline Cars Now Feel Loud, Crude

After more than 11,000 miles driving solely on electric power in our 2011 Nissan Leaf and Chevy Volt, we now find our Volt in the body shop. So for longer trips, our... read more August 15, 2011 by  7


 
New 1.8 TFSI turbocharged four-cylinder for the Audi A5

Audi's Latest Engine Blends Performance With Fuel Economy

Until recently, drivers had to choose between performance and fuel economy when buying a new car. One always seemed to come at the expense of the other, so compromise was... read more August 5, 2011 by 


 
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