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Fuel Efficiency

 
2013 Mazda CX-5 compact crossover on test drive, Southern California, Nov 2011

Despite Previous Doubts, Mazda Bringing Diesels To The U.S.

When it comes to increasing fuel economy across a product range, automakers currently have a few options. First, they can make vehicles lighter and engines more efficient, which will net immediate gains with only modest development costs. The next step involves either hybridization or the addition... read more

January 17, 2012 by 
 
2010 Volkswagen Golf TDI

Volkswagen Debuts Cylinder Shut-Off Tech In 4-Cyl Engines

Cylinder deactivation has been with us for several years in big V8 engines. Both GM and Chrysler have used it and Audi now offers it on its S range. Rather firing on all... read more September 2, 2011 by 


 
2013 Lexus GS 350 teaser image, brightened to show detail.

Mr. Bean Crashes, Alfa Romeo 4C, Lotus Final Editions: Car News Headlines

It's been a busy 24 hours for teasers: the 2013 Lexus GS shows its new face (barely). [MotorAuthority] Lotus unveils the Final Edition 2011 Elise and Exige. [MotorAuthority]... read more August 5, 2011 by 


 
2012 Audi A5 Coupe

Audi Unveils New 1.8 TFSI: 170 HP, 41 MPG

Audi isn't the first name in high-mpg luxury cars--it has yet to release a hybrid, though it has several on deck, including the A6 Hybrid, which we won't get here in the U.S... read more August 4, 2011 by 


 
2011 Chrysler 300

2012 Chrysler 300, Charger V-6 Models Get 31 MPG With 8-Speed: Marchionne

Just yesterday we tempted you with our exclusive news of a supercharged Challenger and Charger from SRT, both sporting eight-speed transmissions. Today, Sergio Marchionne... read more July 27, 2011 by 


 
2011 Chevrolet Cruze

2012 Chevrolet Cruze: High Tech Electrics Deliver Fuel Gains

GM has recently confirmed that from 2013 the Chevrolet Cruze compact sedan will be sold with a turbodiesel engine option, allowing an auto-equipped diesel Cruze to hit low to... read more July 26, 2011 by 


 
2012 Land Rover Range Rover Evoque

2012 Range Rover Evoque Gets 28 mpg, Starts At $43,995

Unveiled with much pomp and circumstance at Kensington Palace last July, the Range Rover Evoque is the newest and smallest of the breed. Today we finally have pricing and... read more June 30, 2011 by 


 
GMPP E-ROD 1955 Chevy Bel Air

E-ROD 1955 Bel Air: GM Performance Parts' Efficient Hot Rod

As GM notes in its release, hot rodding and efficiency aren't fish-and-chips friends. So a project to create an greener hot rod that can still drop the hammer is an... read more June 22, 2011 by 


 
Gas Buddy

Memorial Day: 6 Apps For Your 3-Day Weekend

If you're one of our U.S. readers, you're probably (well, hopefully) preparing for a three-day weekend. And although gas prices are sky high, chances are good that many of... read more May 26, 2011 by 


 
BMW logo

Breaking: EPA Mandate Forces Carmakers To Use Only Round Letters For Better MPGs

In possibly the worst-timed government announcement ever, Lisa P. Jackson, the administrator of the U.S. Environmental Protection Agency is currently holding a press... read more April 1, 2011 by 


 
2012 Infiniti M Hybrid, at the 2010 Los Angeles Auto Show

2012 Infiniti M Hybrid Secures 32 MPG EPA Highway Rating

Luxury hybrids are storming the marketplace, and bringing with them a new era of hybrid chic. The 2012 Infiniti M Hybrid hopes to snatch some of that market, and today's... read more February 4, 2011 by 


 
2012 Ford C-Max (European version)

Ford Adding Start-Stop To U.S. Fleet In 2012

Europe is already knee-deep in start-stop technology, but we Yanks haven't been invited to that party yet. Why? Because of differences in the way the U.S. tests fuel economy... read more December 27, 2010 by 


 
GM 1.4-liter turbo Ecotec - Chevy Cruze and Volt

2011 Chevrolet Cruze: 1.4T Isn't Quite An EcoBoost Rival

General Motors is fearlessly downsizing its four-cylinder engines in the new 2011 Chevrolet Cruze, and looking, in most of the Cruze lineup, for turbocharging to bring... read more April 19, 2010 by 


 
2010 Porsche Panamera

Confirmed: Porsche Panamera To Avoid Gas Guzzler Tax

A few weeks ago reports emerged that the 2010 Porsche Panamera would be just efficient enough to squeak by without incurring the gas guzzler tax penalty, a happy thought for... read more October 1, 2009 by 


 
2010 Mercedes-Benz S-Class

Foreign luxury carmakers could get loophole in upcoming fuel regulations

In May the White House unveiled a new fuel efficiency policy calling for 35.5mpg fleet averages by 2016, and almost immediately the carmakers began talking about how much it... read more July 31, 2009 by 


 
2010 ford taurus 003

Ford details powertrain plans through 2010

The EcoBoost four-cylinder made news today with its impressive 240hp output from a small 2.0L displacement, raising hopes for enthusiasts everywhere that the engine might see... read more July 21, 2009 by 


 
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