News tagged with particulate matter

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Two-thirds of China's cities fail on air standards

(AP) -- Two-thirds of China's cities currently fail to meet stricter air quality standards that the government wants to phase in over four years to combat notoriously smoggy skies, a senior Chinese environmental ...

Mar 02, 2012
5 / 5 (2) 10

India's air the worst, says annual study

India has the worst air quality in the world, poorer even than its neighbour China, according to an annual survey based at Yale and Columbia universities in the United States.

Feb 02, 2012
5 / 5 (7) 5

Five myths about diesel engines

(PhysOrg.com) -- Diesel engines, long confined to trucks and ships, are garnering more interest for their fuel efficiency and reduced carbon dioxide emissions, relative to gasoline engines. Argonne mechanical ...

Jun 14, 2011
4.3 / 5 (24) 15 | with audio podcast