Gas-powered cars and diesel trucks remain the state’s largest sources of smog and soot despite decades of cutting emissions.

With 7 of its most ambitious rules for cars, trucks and trains repealed, California officials now must find new ways to clean up the nation’s worst air pollution. But officials face growing pushback ...

Public Investigator asked the Department of Transportation why tests are still required, and what options exist for people ...

A new study has found that long-term exposure to air pollution may silently damage the heart—even before any symptoms of ...

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...

Traffic cops are fully within their rights to not only fine you, but peel off the film on the spot. Yes, even if you argue it ...

Above, a mix of desert dust and human-caused pollution can often be seen hanging over large sections of the Middle East and North Africa, and a noxious band of air — tied closely to industry and car ...

While the Commission for Air Quality Management (CAQM) has barred petrol cars older than 15 years and diesel vehicles over 10 ...

The debate among scientists and environment policy experts over what really drives vehicle pollution has heated up in Delhi ...

The ongoing debate in Delhi about vehicle pollution intensifies as experts question the effectiveness of the CAQM directive that targets older vehicles. Can better fuel and emission standards, rather ...

Electric cars are increasingly common due to their potential environmental benefits, but a new study suggests that high ...