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Efficiency

 
Could Future Mazda Engines Emit Less CO2 Than Electric Cars?

Could Future Mazda Engines Emit Less CO2 Than Electric Cars?

Is it possible to make a gasoline engine so efficient that it would emit less carbon dioxide per mile than is created by generating electricity to run an electric car over that same mile? Small Japanese carmaker Mazda says yes. In an interview published last week with the British magazine Autocar... read more

March 25, 2014 by  -
 
BMW i Launch Event, Frankfurt, July 2011

Tall, Skinny Tires: Newest Green-Car Efficiency Trend

There are many unusual things about the BMW i3 Concept electric minicar revealed last month, including its glass doors and roof, not to mention BMW's first production... read more September 30, 2011 by  17


 
Traffic

Outdated Tests Skew CAFE Gas Mileage Ratings: 48-MPH Freeways?

It's widely accepted in the auto industry that all manufacturers game the test cycles used to establish emissions and gas-mileage ratings. Ask auto engineers about the topic... read more August 15, 2011 by  10


 
Daihatsu A-Concept

Small, Fun, High-MPG Minicars, Never Coming To The U.S.

Life is so unfair sometimes. Car companies have been dangling the carrot of smaller and more fuel efficient vehicles in front of us for a few years now and though we've... read more August 11, 2011 by 


 
volkswagen up concept motorauthority 005

Volkswagen's 79-MPG Up Hatchback, But Only For Europeans

With fuel-efficiency and emissions regulations tightening all over the world, carmakers continue to push the limits on how economical a production car can get. The latest... read more February 7, 2011 by  4


 
Golden Gate Bridge, connecting San Francisco and Marin County, California

California, Massachusetts Named Most Energy-Efficient States

California, Massachusetts and Oregon have been named the top-rated states for energy efficiency, while New York, Vermont, Washington, Rhode Island, Connecticut, Minnesota... read more October 13, 2010 by  1


 
2009 Ferrari California

Ferrari California HELE Adds Stop-Start, Gas-Saving Gizmos

No, it's not pronounced "hell" ... although that word was heard from many Modena fans when news first broke that Ferrari was planning a hybrid-electric drivetrain in some... read more October 4, 2010 by  2


 
President Bill Clinton

Former President Clinton Suggests Cash For EVs

Though he's no longer in politics, former President Bill Clinton is still a busy guy. A week ago he was negotiating the release of reporters, Euna Lee and Laura Ling from... read more August 13, 2009 by  6


 
GM Labs Bare Necessities Truck Concept

GM's 'Bare Necessities' Concept: How Little Car Do You Want?

Among the many vehicles shown, described, or teased at this morning's big General Motors press briefing was this unusual green concept from GM Labs, called 'Bare... read more August 11, 2009 by  9


 
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