With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...

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

In Southern California, large warehouses must take steps to reduce the pollution caused by truck visits, either by switching ...

THE BAY AREA AIR DISTRICT is now offering $2,000 to buy back gas-powered vehicles that are model year 2000 and older. That’s ...

More targeted action against specific categories of polluting vehicles would produce better results, and cause less confusion ...

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 ...

The Delhi Government's ban on refuelling end-of-life vehicles emphasises the serious threat that older vehicles pose to air ...

In a bid to minimise air pollution caused by vehicles, the government has implemented the Euro VI European emission standards ...

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

Delhi’s air pollution is a complex, multi-source problem, with major contributors including construction dust, industrial ...

Air Quality Alert issued for Saturday in central Ohio due to wildfire smoke and fireworks. Sensitive groups advised to limit ...