Another possible option beyond levying a punitive fee on diesel vehicles or banning their sale would be for diesel vehicle manufacturers to voluntarily agree to equip all new diesel vehicles sold in India with diesel particulate filters (DPFs).
Enquanto a Europa e outros países lutam para controlar as emissões descontroladas dos carros a diesel, o Brasil—distraído pelo caos político, Jogos Olímpicos e o Zika—acabou de propor a revogação das restrições ao seu uso.
As Europe and other countries struggle to control crisis-level emissions from diesel cars, Brazil—wracked by political turmoil and distracted by the Olympics and the Zika virus—has just proposed easing a long-standing restriction on their sale.
The health evidence on diesels justifies actions that extend restrictions on diesels until they are cleaner. The court should consider a new tax scheme on diesels to pay for their health damages or implement a restriction similar to German law, which permits only BS VI engines.
Germany, the UK, and France last week released results of testing they commenced after VW admitted to using defeat devices to circumvent emissions tests. The situation seems even worse than expected, although there's at least some reason for optimism in the German Ministry of Transport's reaction.
Mexico City just experienced its first air quality alert in more than a decade. The emergency measures being called for aren't enough to fix the problem. Here's what should be done.