Clean diesel exhaust without platinum?

Researchers have designed a metal oxide catalyst for removing pollutants from diesel engine exhaust that could potentially replace costly platinum catalysts.

Air quality improving in many U.S. cities: report

(HealthDay) -- Air quality in America's most polluted cities has improved significantly over the past decade, according to a new report from the American Lung Association.

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 engineer Steve ...

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