Nepal must scrap aging diesel buses and trucks

The rapidly deteriorating air quality in Nepal demands an overhaul of its over a quarter million diesel-powered buses and trucks as well as a drastic revision of the country's vehicles mass emission standards, says a new ...

Paris bans old diesels to tackle pollution

Paris on Monday banned all diesel vehicles aged 13 years or over from the city centre, the latest move in a campaign to tackle pollution on the city's streets.

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