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Jet Fuel From Tobacco Plants To Be Tested By Boeing, South African Airlines

Jet Fuel From Tobacco Plants To Be Tested By Boeing, South African Airlines

Corn-based ethanol is, to say the least, a controversial topic. While it's shown promise as a viable renewable fuel, there are concerns that large-scale ethanol production of corn-based ethanol could affect prices for food and animal feed. So why not use a crop that isn't tied to the global food... read more

August 12, 2014 by  -
 
Electric power plant outside Ithaca, New York

Do New EPA Emission Rules Just Hasten Coal's Inevitable Death?

Take a deep breath and relax. It is highly unlikely that "millions of Americans will be freezing in the dark" (in the words of a critic) once new EPA rules lowering carbon... read more June 8, 2014 by 


 
2013 Ford Fusion Hybrid

Where Do Hybrids, Diesels Sell Best? State-By-State Data Shows Answers

If you happen to buy a new hybrid or diesel car, where are you most likely to see another one facing you across a four-way intersection? The Diesel Technology Forum--a trade... read more June 4, 2014 by 


 
China

China To Ban 6 Million Gross Polluters From Roads In Smog Fight

More-efficient new vehicles and stricter emissions standards can help reduce air pollution, but the effect is limited if older, dirtier cars remain on the road in large... read more May 28, 2014 by 


 
2013 Hyundai Sonata Hybrid, Catskill Mountains, April 2013

Hyundai-Kia Topples Honda For UCS 'Greenest Automaker' Title

Honda has long had the reputation of offering fuel-efficient, relatively green vehicles--but this year, it has lost the "Greenest Automaker" laurels that it's held since 1998... read more May 27, 2014 by 


 
2014 BMW i3, 2013 Frankfurt Auto Show

Carbon Fiber In Cars: More Energy To Make, Lower Lifetime Emissions

While its light weight helps raise fuel economy in vehicles, carbon fiber has its critics. An often-long supply chain has led some to question the material's environmental... read more May 26, 2014 by 


 
Diesel

U.N. Study Concludes Diesel Particulates Low, And Declining In Europe & U.S.

Particulate-matter emissions are one of the major environmental hazards of diesel cars and trucks, but the problem may not be as great as it appears. A new paper (PDF) from... read more May 23, 2014 by 


 
China

China Push For Lower Emissions: Smaller, More Efficient Engines, Mild Hybrids

China may be the world's largest car market, but increased air pollution has created a public backlash against the automobile. It's also spurring the government to take... read more May 14, 2014 by 


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

Diesel Car Emissions Still Killing Thousands, Latest Research Says

The popularity of diesel vehicles has risen in recent years, as consumers acquaint themselves with the latest generation of cleaner-burning, quieter, smoother and faster... read more May 8, 2014 by 


 
Chrome exhaust pipe

Atmospheric Carbon Is Higher, Faster, This Year Than Last

While stricter emissions standards for cars are slowly starting to take effect, the amount of carbon dioxide in the atmosphere continues to rise. Levels of atmospheric carbon... read more May 5, 2014 by 


 
1970s Los Angeles smog depicted in the Honda short film "Never Ending Race."

What Are The 10 Most Polluted U.S. Cities?

California may be a haven for plug-in electric cars, but it's also home to many of the most-polluted cities in the U.S. Of the 10 most polluted U.S. cities in the American... read more May 1, 2014 by 


 
Traffic at the I-10 & I-405 interchange in Los Angeles, California (by Mario Roberto Duran Ortiz)

Automakers Met Carbon-Emission Limits In 2012 With Room To Spare

As U.S. emissions standards grow stricter, carmakers appear to be keeping pace thus far. Cars and light-duty trucks built for the 2012 model year beat EPA environmental... read more April 28, 2014 by 


 
Mitsubishi i electric car at San Antonio Missions National Historic Park

Nine New Projects Announced For Clean Vehicles In National Parks

If you're planning a summer vacation to a U.S. national park this summer, you may start to see a few changes when you get there. The U.S. Department of Energy's (DOE) Clean... read more April 15, 2014 by 


 
Traffic in Atlanta, Georgia during rush hour (via Wikimedia)

U.S. To Stay Global First In Vehicle Miles Driven, Says Futurist

China may buy more cars, but U.S. drivers will continue to rack up the most miles, according to a futurist. At the SAE World Congress in Detroit, Peter Phelps said the U.S... read more April 15, 2014 by 


 
2011 GMC Canyon 2WD Reg Cab 111.2" SLE1 Air Vents

'Super Greenhouse Gas' Emissions From Air Conditioning A Climate Concern

When it comes to the environmental impact of cars, all the attention tends to be focused on the gasoline, diesel, or electricity that powers them. But to understand how cars... read more April 7, 2014 by 


 
2014 Mazda 3 s Grand Touring  -  First Drive

Could Future Mazda Engines Emit Less CO2 Than Electric Cars?

Is it possible to make a gasoline engine so efficient that it would emit less carbon dioxide per mile than is created by generating electricity to run an electric car over... read more March 25, 2014 by 


 
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