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.

Five myths about diesel engines

( -- 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 ...

NOx gases in diesel car fumes: Why are they so dangerous?

Nitrogen oxides, poisonous gases that contribute to acid rain and suffocating smog, are found in the fumes of diesel cars like the ones Volkswagen has admitted to fitting with emissions-cheating software.