Carbon Footprint

 
Big Coal Doomed: Not By Climate Rules But Fracking & Finance

Big Coal Doomed: Not By Climate Rules But Fracking & Finance

Coal is the worst fossil fuel, that much is clear. Its carbon footprint per kilowatt-hour of electricity when it's burned by electric utilities to make electricity is far, far higher than that of natural gas. And that's even before the slowly improving economics of renewable sources come into play... read more

August 11, 2015 by  -
 
2015 Chevrolet Volt

California's '50/50/50 Challenge' To Cut Energy Use Radically By 2030

Earlier this year, California Governor Jerry Brown proposed ambitious goals for dealing with climate change by drastically cutting fossil-fuel use in the state. In his... read more June 16, 2015 by 


 
Oil field (Image: Flickr user johnny choura, used under CC license)

IMF: Fossil Fuels Subsidies Are $5.3 Trillion A Year If Climate Costs Included

Climate change doesn't just present an environmental threat to human populations, it also has a tangible economic impact. Governments must invest in measures to combat... read more May 21, 2015 by 


 
Big square baler harvesting wheat straw for production of cellulosic ethanol

Biofuels: Don't Assume They're All Carbon-Neutral, New Study Warns

To many, biofuels seem like the ultimate compromise between lower carbon emissions and practicality. It's easy to see the appeal of fuels billed as cleaner replacements for... read more May 13, 2015 by 


 
2016 Toyota Mirai

New Toyota Film Appropriates Musk 'BS' Comment On Hydrogen For Its Title

Tesla Motors CEO Elon Musk once notoriously called hydrogen fuel-cell cars "bull****"," and for a moment, it may seem that Toyota agrees. The Japanese carmaker recently hired... read more April 23, 2015 by 


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

Audi Produces e-Diesel Fuel From Water, CO2, Renewable Energy

Cars are getting more efficient, but the fuels that power them may soon change too. That's especially true when it comes to diesel, where the loose "biodiesel" category is... read more April 23, 2015 by 


 
Ferrock, screen cap from video report by PBS

Carbon-Negative Replacement For Cement Traps CO2 During Manufacturing

You may be aware of your car's carbon footprint, but what about the emissions related to the concrete structures it drives over? The Portland cement that acts as the glue in... read more April 21, 2015 by 


 
Propel Fuels rolls out High Performance Renewable Diesel fuel in 18 Northern California locations

Propel Renewable Diesel: Usable By Any Vehicle, Going Beyond 'Biodiesel'

Fuels produced using plant-based materials can offer a promising way to reduce the carbon emitted by road vehicles. That's because their plant feedstocks absorb carbon... read more April 17, 2015 by 


 
2015 Ford F-150

2015 Ford F-150 Has Lowest Lifecycle Carbon Footprint: Study

The weight savings afforded by its aluminum body, the 2015 Ford F-150 isn't quite the most fuel-efficient full-size pickup truck, as measured by EPA ratings. But how does the... read more January 22, 2015 by 


 
Electric power plant outside Ithaca, New York

EPA Power Plant Carbon Regulations Late, Hostile Congress Likely To Fight Them

The EPA regulations limiting the amount of carbon that can be emitted by existing powerplants may be the most crucial step forward in environmental policy made by the... read more December 22, 2014 by 


 
2014 Mercedes-Benz B-Class Electric Drive  -  First Drive, May 2014

Mercedes B-Class Electric Car Cuts Lifetime Carbon Emissions Up To 64 Percent

The environmental impact of plug-in electric cars continues to be the subject of significant discussion and debate among those less familiar with the technology and its... read more December 18, 2014 by 


 
Fast Charging 2011 Nissan Leaf

New Study Doesn't Say 'Electric Cars Aren't Green' (Headlines To The Contrary)

Brace yourself, electric-car fans and advocates. It may be a bumpy ride for the next few days. Yesterday afternoon, the Associated Press covered a new study put out by the... read more December 16, 2014 by 


 
2015 Toyota Prius Liftback

Hybrids A Better, More Cost-Effective Way To Cut Carbon Today, Study Says

The hydrogen fuel-cell cars being promoted as the future of zero-emission transport--aggressively by Toyota, slightly less so by Honda and Hyundai--generate quite a lot of... read more December 15, 2014 by 


 
Smog in Hong Kong [Image by Flickr user inkelv1122]

Do Auto Emissions Kill As Many People As Car Crashes?

Carbon-dioxide emissions have documented negative effects at a planetary level--but could the other gases coming out of vehicle tailpipes be as hazardous to overall public... read more November 13, 2014 by 


 
Barack Obama speaking Detroit Economic Club

U.S. And China Agree To Curb Greenhouse Gas Emissions, Presidents Say

For the first time ever, China has agreed to limit its greenhouse-gas emissions, under a deal announced this morning between Chinese president Xi Jinping and U.S. president... read more November 12, 2014 by 


 
Pickup truck "rolling coal"

Time Running Out, Global Carbon Emission Must Fall To Zero: UN Panel

While mankind has been pumping carbon into the atmosphere since the discovery of fire, the modern era of carbon emissions began roughly 250 years ago. Now a new report by... read more November 10, 2014 by 


 

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