News tagged with vehicle emissions

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Tiny bubbles clean oil from water

Tiny bubbles clean oil from water

Chemistry / Materials Science

created Nov 16, 2009 | popularity 4 / 5 (3) | comments 0

Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. Now, a University of Utah engineer has developed ...


Hong Kong air pollution has equalled a record high registered in 2000

Hong Kong air pollution equals record high

Space & Earth / Environment

created Oct 24, 2009 | popularity 5 / 5 (2) | comments 0

Hong Kong air pollution has equalled a record high registered in 2000, triggering a warning for people with heart or respiratory illnesses, according to the Environmental Protection Department.


Mayor Boris Johnson, seen here, outlined plans to make London "the cleanest, greenest city on earth"

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

Space & Earth / Environment

created May 18, 2009 | popularity 2 / 5 (4) | comments 0

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.


The new Opel Ampera hybrid-electric vehicle

Green car makers urged to go a step further

Technology / Energy

created Mar 04, 2009 | popularity 3 / 5 (4) | comments 0

Four international bodies on Wednesday called on governments and car makers to halve global vehicle emissions by 2050 as the auto industry insisted it was serious about producing greener vehicles.


Obama likely to clear path for California emissions law

Space & Earth / Environment

created Jan 23, 2009 | popularity 1.8 / 5 (12) | comments 5

With a new occupant in the White House, California could soon start enforcing its 2002 law that requires a sharp reduction in vehicle emissions.