emissions

 
Half of North American power from renewable sources by 2025: plan

Half of North American power from renewable sources by 2025: plan

The leaders of the U.S., Canada, and Mexico plan to announce a major renewable-energy goal when they meet in the Canadian capital of Ottawa this week. At the Three Amigos summit, they will unveil a plan to generate 50 percent of North America's power from renewable sources by 2025. It's an... read more

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Volkswagen TDI 'clean diesel' television ad screencap

VW diesel owners have lost $1,500 in value on their cars: price analysis

With full details of the Volkswagen diesel cheating settlement postponed again, VW TDI owners have an extra week to contemplate their diesel cars without knowing what they'll... read more June 17, 2016 by


 
Consumer Reports tests 2015 Volkswagen Jetta TDI diesel in 'cheat mode,' October 2015 [video frame]

Volkswagen diesel settlement delayed one more week by judge

Next Tuesday was to be the day when owners of almost half a million Volkswagens and Audis learned the final terms VW would offer them to settle hundreds of lawsuits over its... read more June 17, 2016 by


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

Bankruptcy shows scope of Peabody Coal's climate denial lobbying

These are tough times for the coal industry. Coal plants are being retired at an increasing rate in North America and Europe, replaced by a combination of natural-gas and... read more June 15, 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


 

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