carbon dioxide

 
Are Eco settings on cabin ventilation systems a safety hazard?

Are Eco settings on cabin ventilation systems a safety hazard?

As corporate average fuel economy requirements that started in 2012 continue to tighten, automakers have turned to an entire arsenal of tactics to reduce the fuel their vehicles burn. Downsized and turbocharged engines, transmissions with many more gears, lighter-weight structures, better... read more

July 5, 2017 by -
 
Donald Trump

Two words the Trump Administration can't say: climate change

During President Donald J. Trump's half-hour meeting with Pope Francis at the Vatican yesterday, the pope gave the president a copy of his 2015 encyclical calling for urgent... read more May 25, 2017 by


 
Mark Webber driving a 2016 Porsche 919 Hybrid in London

Cities lead global push for cleaner, zero-emission cars

Carlos Ghosn, the man behind the Nissan Leaf electric car and now the chairman of the Renault Nissan Alliance, isn't the first to say it. But his recent comment that cities... read more May 23, 2017 by


 
The White House, Washington, D.C.  [Creative Commons license by dcjohn]

Trump names vocal renewable-energy critic to oversee...renewable energy

While the news headlines on President Donald Trump mostly address potential scandals, his administration has also lagged significantly in appointing top-level officials to... read more May 22, 2017 by


 
Gas pump

Could California climate-change rules raise gas price enough to backfire?

California has by far the most aggressive climate-change policies in the nation, and the state is a global leader in plans to reduce carbon-dioxide emissions. It's also the... read more May 19, 2017 by


 
Chrome exhaust pipe

Ruling that EPA must regulate carbon emissions: now 10 years old

Anniversaries often provide an opportunity to reflect on important past events, review what has happened since, and reflect upon the future. April 2 of this year marks the... read more May 11, 2017 by


 
EPA website redirect page replaces scientific information on climate change, April 30, 2017

EPA website removes climate-change pages, because science contradicts Pruitt policy goals

On Saturday, tens of thousands of people joined a Science March in Washington, D.C., to support use of data-based science to set government policy on climate change. The day... read more May 1, 2017 by


 
EPA administrator Scott Pruitt  [photo from 2014]

Pruitt won't kill EPA 'endangerment' finding on climate change

The current EPA administrator, Scott Pruitt, does not accept the scientific consensus on human contribution to climate change, though he has given some contradictory... read more April 25, 2017 by


 
Chrome exhaust pipe

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... read more April 22, 2017 by


 
Photovoltaic solar power field at Volkswagen plant in Chattanooga, Tennessee

Clean Power Plan carbon cuts may survive, even if Trump EPA kills rule

The Clean Power Plan’s future looks uncertain at best under President Donald Trump. The commander-in-chief appears to be urging American utility companies to pivot back... read more April 13, 2017 by


 
Cooling tower at power plant, by Flickr user Paul J Everett (Used under CC License)

Trump can't affect global climate-change progress, says Mayor Bloomberg

Former New York City mayor Michael Bloomberg has gone on record saying publicly what most analysts have discussed privately: the notion that Washington can direct the energy... read more April 11, 2017 by


 
The White House, Washington, D.C.  [Creative Commons license by dcjohn]

Trump's climate-change order: now what happens?

These do not appear to be the best of times for President Donald J. Trump, but his agenda of eliminating regulations and promoting fossil fuels continues to roll out. This... read more March 31, 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


 

 
 

 
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