greenhouse gas

 
Pruitt's EPA emission rollback reasoning may well fail in court

Pruitt's EPA emission rollback reasoning may well fail in court

Despite the sturm und drang around the announcement by embattled EPA chief Scott Pruitt that he will relax emission limits for 2022 through 2025 vehicles, not much will happen immediately. His determination last week that the Obama administration was "incorrect" and that the limits on those... read more

April 9, 2018 by -
 
2018 Kia Niro Plug-In Hybrid charging at Crevier BMW, Santa Ana, California, Dec 2017

Number of electric cars California needs to cut 2030 emissions unclear: 4 million or 7 million?

One of California's largest electricity producers recently published a white paper that analyzed how the state will achieve its 2030 greenhouse-gas targets—and it... read more January 19, 2018 by


 
Greenhouse-gas emissions of battery-electric vehicles globally in MPG equivalent [U of Michigan TRI]

Electric cars emit less carbon than average U.S. new car, everywhere in the world

When electric cars first arrived in 2011, it was a reasonable question: Aren't you just shifting emissions from the tailpipe to the smokestack? The answer is yes, but the... read more November 6, 2017 by


 
Chrome exhaust pipe

Comment period ends tomorrow on EPA proposal to loosen emission limits on cars

The period for public comments on the EPA's proposed reconsideration of finalized rules to cut emissions of the climate-change gas carbon dioxide from light-duty vehicles... read more October 4, 2017 by


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

Trump EPA to hold unneeded 'critique' to challenge climate science

The best analog to EPA administrator Scott Pruitt's latest action might be for the U.S. Geological Survey to undertake a "scientific critique" of theories that the world is... read more July 3, 2017 by


 
2015 Hyundai Tucson Fuel Cell, 2016 Toyota Mirai at hydrogen fueling station, Fountain Valley, CA

Energy use for hydrogen fuel-cell vehicles: higher than electrics, even hybrids (analysis)

It's now clear that the zero-emission vehicles of the future will be powered by electric motors. The electricity to power those motors, however, will come from one of two... read more May 4, 2017 by


 
Walmart store sign (via Wikimedia)

Large corporations, manufacturers stick with climate pledges despite Trump

The new U.S. president, Donald Trump, is working to eradicate every Obama policy to limit the carbon emissions that contribute to climate change. Having variously called the... read more April 5, 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


 
Beijing smog

China axes 103 coal-fired power plants, citing smog, overcapacity

During negotiations for the Paris Climate Treaty signed last fall, a major concern among critics was whether the carbon emissions of China's sprawling and inefficient energy... read more January 23, 2017 by


 
2017 Chrysler Pacifica

Chrysler Pacifica Hybrid: lifetime carbon emissions 24 percent lower vs standard minivan

Cars that run entirely or partly on electricity from a battery pack have no tailpipe emissions, but to judge their overall impact, you have to look at lifetime... read more January 10, 2017 by


 
Cows

Methane from livestock nearing worst-case scenario for climate change: scientist

Exhaust emissions from gasoline and diesel cars get a lot of attention from policymakers attempting to combat climate change. But another very large source of carbon... read more December 14, 2016 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


 
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


 
Boeing 787 Dreamliner

Cars Vs. Planes: Which Emits More Carbon? (Which Sins Worse?)

Eco-activists often indict air travel as a carbon-spewing threat to the global climate. Worldwide, commercial jets pour an estimated 700 million tons of carbon dioxide into... read more December 26, 2015 by


 
2016 Nissan Leaf, Chevy Bolt EV at Drive Electric Week event, Los Angeles [photo: Zan Dubin Scott]

Every New Car Emission-Free By 2050? 'ZEV Alliance' Plans To Make It So

As the United Nations COP21 climate-change talks continue in Paris, a group of local and national governments plans drastic reductions in vehicle emissions over the next 35... read more December 7, 2015 by


 
2015 Mercedes-Benz GL-Class (GL63 AMG)

Greenhouse Gas Emissions From Cars In Germany: Getting Worse, Actually

Germany is one of several countries with aggressive plans to curb transportation-related carbon emissions. Over the past few years, its large domestic car industry has worked... read more August 12, 2015 by


 

 
 

 
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