News tagged with vehicle emissions

Tiny bubbles clean oil from water

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 ...

dateNov 16, 2009 in Materials Science
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Hong Kong air pollution equals record high

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.

dateOct 24, 2009 in Environment
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Higher gas prices help reduce emissions

(PhysOrg.com) -- Less driving and greater vehicle fuel economy aren't the only byproducts of higher gas prices—lower carbon dioxide emissions is another benefit, say University of Michigan researchers.

dateAug 03, 2009 in Environment
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