greenhouse gas

 
This one 11-year-old chart explains the problem with hydrogen fuel-cell vehicles

This one 11-year-old chart explains the problem with hydrogen fuel-cell vehicles

Today, there are roughly 750,000 plug-in electric vehicles on U.S. roads and about 3,800 powered by hydrogen fuel cells. Proponents of each type of vehicle argue strenuously that their powertrain is a better way to produce vehicles with zero emissions from the tailpipe. Electric cars can be charged... read more

February 13, 2018 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


 
Mexico Flag

Cross-Border Carbon: Mexico Sets Limit On Climate-Change Emissions

Mexico is officially joining the cadre of nations seeking to limit climate change, with a formal promise to cut its greenhouse-gas emissions. The country is one of the first... read more April 13, 2015 by


 
Diesel taxis in London (Image by Flickr user Lars Ploughmann, used under CC license)

UK Official Says Encouraging Diesel Cars To Lower Carbon Was 'Wrong'

For at least 20 years, diesel cars have been much more popular in Europe than in the United States. Because diesel combustion is more efficient than gasoline combustion, the... read more January 30, 2015 by


 
Electric power plant outside Ithaca, New York

U.S. Senate Votes Against Affirming Climate Science Validity

Would you trust a politician who believes the earth is flat? Or that the sun revolves around the earth? Or that the Holocaust never happened? No? Then what do we make of... read more January 23, 2015 by


 

 
 

 
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