The 12 most influential green cars in history

The 12 most influential green cars in history

The automobile has been with us since 1885, but only over the last 50 years have governments started to face up to its ill effects on the environment. The world's major car markets have mostly now legislated increasing levels of fuel economy and reduced tailpipe emissions not only of gases directly... read more

June 21, 2016 by -
2016 Audi A3 TDI Sportback

Blue Crude synthetic diesel fuel cuts carbon by 85 percent

Fuels produced from plant feedstocks are touted by many as a viable and lower-carbon alternative to traditional gasoline or diesel. But the need to dedicate large swaths of... read more June 14, 2016 by

Ford Mustang in France

Europe's carbon goals could make cars unaffordable: Ford exec

Stricter emissions standards may raise the average cost of new vehicles, but will that make them "elitist?" The increasingly sophisticated technology required to improve the... read more June 8, 2016 by

Citroen 2CV

Pre-1997 cars forbidden in central Paris to cut emissions

A fairly direct way to eliminate air pollution from car exhaust emissions is to simply get rid of the cars themselves. Next month, Paris officials will attempt to do just... read more June 2, 2016 by

Mercedes-Benz S 500

Particulate filters for Mercedes diesels to come to gasoline vehicles too

Virtually all carmakers use particulate filters in their diesel cars to meet the most stringent emissions standards. These filters trap particulate matter left over from the... read more May 31, 2016 by

Beijing smog

China mulls congestion charge, quotas in Beijing for emission, traffic woes

Since the 1950s, California has been a global leader in efforts to limit and then eliminate emissions from motor vehicles. But with hazardous and choking air pollution in its... read more May 27, 2016 by

2015 Volkswagen Golf TDI SE

VW diesel settlement: progress being made on details, judge says

The Federal judge overseeing negotiations toward a U.S. settlement of the Volkswagen diesel-emission cheating scandal said Tuesday that good progress was being made toward... read more May 26, 2016 by

2014 Volkswagen Passat TDI

These engineers uncovered the VW diesel emission scandal

Volkswagen's use of illegal "defeat device" software in its TDI diesel cars wasn't uncovered by the Environmental Protection Agency—or by any other regulatory agency... read more May 25, 2016 by

Neste renewable-diesel Superlite Coupe

Renewable diesel: 90 percent lower carbon emissions than regular diesel, Neste claims

The lifecycle carbon emissions of renewable diesel fuel are significantly lower than those of conventional diesel, says a new study from a company that sells the renewable... read more May 17, 2016 by

Paris, by Flickr user Alexandre Dulaunoy (Used under CC License)

In Paris, cars compete with other transit modes (and often lose)

In cities across the world, many governments are promoting electric cars as a way to reduce carbon emissions and improve air quality. But electric cars aren't the only option... read more May 17, 2016 by

Gas pump

Buying an electric car can increase fuel use allowed by CAFE rules

Researchers at Carnegie Mellon University say incentives to sell alternative-fuel vehicle in federal laws could potentially create a short-term rise in fuel consumption and... read more May 11, 2016 by

Coal, by Flicker user oatsy40 (Used Under CC License)

What is a carbon tax and how would it work? A primer

One new policy measure that could get companies to cut their carbon emissions is to put a price on those emissions. Such a "carbon tax" is enthusiastically supported by many... read more May 11, 2016 by

2016 Nissan Leaf

Another study confirms electric cars have lower carbon emissions, in Minnesota this time

It's a very reasonable question: electric cars themselves have no tailpipe emissions, but what about the power plants used to recharge them? After more than a dozen studies... read more May 9, 2016 by


China accelerates tougher vehicle emission standards, starting sooner

China is known for having some of the worst air pollution in the world, due in part to years of lax emission regulations covering factories as well as vehicles in the world's... read more April 25, 2016 by

Mitsubishi eK

Emission, fuel-economy test issues spread: Mitsubishi, Daimler, others being investigated

The Volkswagen diesel-emission cheating scandal has led to increased scrutiny of other carmakers by regulatory agencies around the world. So while VW works to hammer out the... read more April 25, 2016 by

2012 Volkswagen Passat TDI Six-Month Road Test

VW settlement with EPA announced over diesel emission scandal (updated)

Volkswagen and the U.S. Environmental Protection Agency said today that they had reached an agreement on a plan to address hundreds of thousands of diesel vehicles sold over... read more April 21, 2016 by


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