With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...

Light-duty vehicles—saloon cars, SUVs and minibuses—exported from the US, Europe and Japan to Uganda are of poor quality and ...

When President Donald Trump signed legislation to revoke California’s authority to enforce stricter tailpipe emissions ...

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

A Pollution Under Control (PUC) certificate, recognised as a legal indicator of emissions compliance, should carry weight in ...

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