2013 sees cleaner trucks and buses across EU
Under new European Union rules to combat pollution, trucks and buses rolling off assembly lines this year will produce significantly less harmful exhaust fumes.
Jan 04, 2013
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Jan 04, 2013
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US tightens standards for soot pollution (Update)
(AP)—The Obama administration on Friday imposed a new air quality standard that reduces by 20 percent the maximum amount of soot released into the air from smokestacks, diesel trucks and other sources of ...
Dec 14, 2012
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Air pollution study clears the air on diesel versus gas emissions
(Phys.org)—Are gasoline-fueled cars or large diesel trucks the bigger source of secondary organic aerosol (SOA), a major component of smog? UC Berkeley researchers have stepped into this debate with a new ...
Oct 22, 2012
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Diesel technologies drastically cut emissions under real-world conditions
New research from North Carolina State University shows that federal requirements governing diesel engines of new tractor trailer trucks have resulted in major cuts in emissions of particulate matter (PM) and nitrogen oxides ...
Apr 16, 2012
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Researchers Measure Diesel Emissions on the Freeway
The 53-foot-long tractor trailer that houses UC Riverside's mobile emissions laboratory was back on the road Friday and Monday on Interstate 10 between Redlands and Beaumont testing ways to better measure ...
Aug 03, 2010
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Mexico City offers bikes in its clean air campaign
(AP) -- Pedaling placidly, black-suited businessmen and women in dresses and high heels wheel shiny red bikes between growling green buses, serenaded by shrill police whistles and coughing diesel trucks, the ...
Apr 22, 2010
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EarthTalk: Why doesn't U.S. have high-mileage diesel cars, like Europe?
Dear EarthTalk: I don't understand why there are many European diesel cars with very high mileage ratings that are not available in the U.S. Can you enlighten? (John Healy, Fairfield, Conn.)
Apr 27, 2009
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