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

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...

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

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 ...

Vietnam is expected to issue new national emission standards for motorcycles this month as part of efforts to reduce urban ...

Harmful air pollutants on U.K. pavements generated by diesel cars could be slashed by a third if car exhausts were positioned on the right, according to a new study published in ACS ES&T Air.

Delhi will prohibit vehicles older than 15 years (petrol) and 10 years (diesel) from refueling, aiming to reduce air ...

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

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

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

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