carbon dioxide

 
When will we see 'tailpipes' on cars as morally wrong? An Earth Day question

When will we see 'tailpipes' on cars as morally wrong? An Earth Day question

Economists call them "externalities." They're the costs of people's actions on other people or communities—though the people taking those actions don't have to pay for those costs, even as they harm others. The emissions from combusting fossil fuels to propel vehicles are clearly a prime... read more

April 22, 2017 by -
 
2017 Chevrolet Cruze

GM says green-car buyers should consider its diesels: here's why

Diesel engines will continue to appear in pickup trucks, European luxury SUVs, and at least a few mass-market crossover utility vehicles. Two of those are the Chevrolet... read more February 28, 2017 by


 
mercedes benz bicycle 007

Electric cars vs bicycles: which has a higher carbon footprint?

Electric cars are simply nicer and calmer to drive than conventional cars, and as their prices fall, that may be what will lure mass-market buyers over time. But they have... read more February 3, 2017 by


 
Donald Trump

U.S. to pull out of Paris climate-change agreement under Trump

As seemed likely from the day Donald Trump was elected president of the United States, the country will pull out of the global Paris Climate Agreement to reduce... read more January 31, 2017 by


 
Photovoltaic solar power field at Volkswagen plant in Chattanooga, Tennessee

More than two-thirds of Americans accept climate science, regardless of Trump

The new U.S. administration has made it clear that it does not accept the scientific consensus on climate change. From President Donald Trump down through his nominees for... read more January 24, 2017 by


 
Coal-fired Nanticoke Generating Station, Ontario, Canada, now being converted to 44-MW solar farm

Global carbon emissions have been flat for three years now

Global efforts to reduce greenhouse-gas emissions may be starting to pay off, suggests a recent study. Last month, scientists released an assessment that suggests global... read more December 13, 2016 by


 
Oklahoma attorney general Scott Pruitt, 2014

Trump's EPA head Pruitt: climate-science denier who sued the EPA many times

If there were any doubt that president-elect Donald Trump supports fossil fuels and does not believe in the scientific consensus of climate change, his pick to head the U.S... read more December 8, 2016 by


 
Chrome exhaust pipe

EPA keeps car-emission rules to 2025; what happens under Trump?

Two days ago, the U.S. Environmental Protection Agency issued a ruling that existing limits on tailpipe emissions of carbon dioxide for 2022 through 2025 should remain in... read more December 2, 2016 by


 
Volkswagen TDI 'clean diesel' television ad screencap

Emissions collusion between VW and German agency runs deep: magazine

As the Volkswagen diesel scandal lumbers onwards, German media outlets have often broken the latest news and revelations from deep inside VW Group. While the German auto... read more November 28, 2016 by


 
2011 Buick Regal flex-fuel badge

Fuel from emissions? Catalyst converts carbon dioxide to ethanol

At least in North America, ethanol is a contentious fuel. A decade ago, it was seen as a homegrown and carbon-neutral way to use less gasoline—and federal legislation... read more October 18, 2016 by


 
2016 Nissan Leaf

How much do electric cars really pollute, even without tailpipes?

Personal automobiles have given hundreds of millions of people the great luxury of a convenient and comfortable mode of transportation. But there's no escaping that... read more August 3, 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


 
FuelCell Energy fuel-cell power plant (Photo by FuelCell Energy)

Exxon backs carbon-capture technology to feed fuel cells

ExxonMobil is backing a new process that would capture carbon dioxide from power plants, and use it to feed fuel cells. The oil giant announced Thursday that it is expanding... read more May 8, 2016 by


 
Airbus A380

First-Ever Emissions Rules For Airplanes Proposed By U.N.

The airline industry is responsible for an estimated 2 percent of global carbon emissions, but so far no government has enacted emissions standards for aircraft similar to... read more February 10, 2016 by


 
West Coast mayors announce carbon reduction, EV consortium  -  Portland  -  December 2015

West Coast Mayors Form EV Consortium, Pledge Carbon Reductions

As world leaders met this past week in Paris to discuss carbon reductions on a global scale, mayors of four large West Coast cities—Los Angeles, San Francisco, Seattle... read more December 13, 2015 by


 
Audi sustainability chief Reiner Mangold and German Education Minister Dr. Johanna Wanka

Diesel Fuel From Air: Neat Idea, Very Inefficient Use Of Energy

It sounds like an intriguing idea: Make diesel fuel from air rather than fossil-fuel petroleum. Better yet, make it from carbon dioxide--the greenhouse gas whose... read more September 4, 2015 by


 

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