Gas Mileage

 
Gas is cheap; U.S. drivers use it to log more miles than ever

Gas is cheap; U.S. drivers use it to log more miles than ever

With the summer travel season more than halfway over and gas prices still quite low, U.S drivers have already logged a record-breaking number of miles traveled. The nation's vehicles collectively logged 1.58 trillion miles in the first six months of this year, according to U.S. Department of... read more

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2016 Holden Commodore SV6 Black Edition

Australia's AAA will test emissions of top 30 cars; government won't, it says (VW diesel update)

The Volkswagen diesel scandal has placed greater scrutiny on laboratory emissions testing of new cars pretty much around the world. Over the year since the news of VW's use... read more August 23, 2016 by


 
Gas pump

Automaker lobbyist group predicts doom, gloom over CAFE

The U.S. Environmental Protection Agency (EPA) and auto-industry lobbyists are now sparring over the future of Corporate Average Fuel Economy (CAFE) standards for 2022-2025... read more August 22, 2016 by


 
2017 Audi A4 Ultra

2017 Audi A4 Ultra: 31-mpg version of luxury sedan

Audi offers efficiency-focused "Ultra" versions of several of its models in Europe that are designed to achieve maximum fuel economy with conventional internal-combustion... read more August 19, 2016 by


 
2016 Chevrolet Camaro’s exhaust tips

Transport is now biggest part of U.S. carbon emissions, first time in 40 years

Transportation is a major contributor to carbon emissions, but historically it has not been the largest source. However, that has apparently changed. Transportation-related... read more August 18, 2016 by


 
Harley-Davidson Street 750 by Alvin Dharmawan

Why motorcycles may not be greener than cars: missing emission gear

When looking for green transportation, does it make sense to opt for two wheels instead of four? Motorcycles weigh significantly less than cars, and generally have smaller... read more August 18, 2016 by


 
Gas pump

What's making cars bigger? Gas-mileage rules may be, say analysts

When it comes to increasing fuel economy, cutting weight is a good place to start. But even with stricter fuel-economy standards pending, new cars are getting bigger. The... read more August 17, 2016 by


 
Infiniti QX Sport Inspiration concept, 2016 Beijing Auto Show

Infiniti plans VC-T engine with variable compression ratio

While significant attention is being paid to battery-electric and hydrogen fuel-cell powertrains, carmakers are still trying to wring more efficiency out of... read more August 17, 2016 by


 
Audi eROT electromechanical rotary damping technology

Audi regenerative shock absorber recaptures energy

Regenerative braking is commonly used in hybrids and electric cars to recover energy normally lost as heat during braking. But that isn't the only potential source of energy... read more August 15, 2016 by


 
2017 Porsche Panamera

2017 Porsche Panamera shows just how complex saving fuel has gotten

The 2017 Porsche Panamera was hardly designed to be a "green" car. While it will likely continue to be offered with an optional plug-in hybrid powertrain, the large four-door... read more August 9, 2016 by


 
U.S. Capitol Building

Battle over CAFE standards begins now: will they change for 2022-2025?

Two weeks ago today, three federal and state agencies jointly released a "Technical Assessment Report" on how well automakers have done thus far in meeting corporate average... read more July 29, 2016 by


 
2017 Mitsubishi Mirage GT

2017 Mitsubishi Mirage preview

The Mitsubishi Mirage has been an unexpected sales success for its Japanese maker. Its sales have remained strong even as those of other subcompacts and minicars declined in... read more July 26, 2016 by


 
Gas pump

EPA: 2025 target of 54.5 mpg may not be met; SUVs, trucks, cheap gas to blame

A pair of U.S. federal agencies said yesterday that while automakers had complied with the first five years of stricter fuel-efficiency laws, the industry seemed unlikely to... read more July 19, 2016 by


 
2017 Peugeot 3008

Europe plans far tighter emission caps for cars, vans after 2021: report

The current set of European Union emissions standards for cars extends to 2021, but regulators are apparently planning a new round of standards to follow. These new standards... read more July 18, 2016 by


 
2016 Chevrolet Spark, 2015 New York Auto Show

2016 Chevrolet Spark preview

The 2016 Chevrolet Spark is a slightly larger, better equipped, and more stylish version of the smallest Chevy in brand's lineup. It succeeds a model whose unexpected sales... read more July 11, 2016 by


 
2017 Chevrolet Volt

Best deals on hybrid, electric, fuel-efficient cars for July 2016

With the 2017 model year well underway, many green cars are hitting showrooms with a new year designation and perhaps some updates. But while these models may be brand new... read more July 11, 2016 by


 

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