Diesel fights for traction with U.S. buyers

Just like gasoline, diesel fuel has plummeted in price since last summer after reaching almost $5 a gallon. So now that diesel goes for about $2.25, sales of diesel-powered vehicles, which almost always get better mileage ...

London bids to be world's greenest by 2012: mayor

Mayor Boris Johnson outlined plans to make London "the cleanest, greenest city on earth" by the 2012 Olympics and called for commitments from other world cities at a climate change conference.

Climate change from black carbon depends on altitude

Scientists have known for decades that black carbon aerosols add to global warming. These airborne particles made of sooty carbon are believed to be among the largest man-made contributors to global warming because they absorb ...

Researchers put pedal to the metal to improve diesel engines

A recent project by University of Alberta researcher Robert Hayes yielded more than just a way to reduce the use of precious metals in controlling emissions from gasoline-powered vehicles. His work also boosted the engine's ...

Britain publishes long-awaited air pollution plan

The British government published long-awaited plans to tackle air pollution on Friday, but campaigners condemned them as inadequate to tackle a growing public health concern.

Battling to thwart diesel bans, Merkel throws in the cash

Chancellor Angela Merkel on Monday pledged a billion euros to help German cities fight air pollution caused by dirty diesel cars, as a scandal strangling the automobile industry threatened to engulf politicians at the height ...

India gives Volkswagen 24 hours to pay Dieselgate fine

India's environmental court Thursday threatened Volkswagen executives with arrest and gave the German automaker a day to pay $14 million for violating pollution norms by fudging emission tests.

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