GM says diesel Chevrolet Cruze gets 46 mpg

General Motors Co. says the new diesel version of the Chevrolet Cruze gets 46 miles per gallon on the highway, making it more efficient than some hybrids.

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.

'Gently does it' drives you further in electric vehicles

Drivers of petrol and diesel cars are usually aware that driving at high speed, harsh acceleration and hard braking all contribute to lowering their fuel economy. Scientists can readily explain in terms of the thermodynamics ...

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 pollution in its ...

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