With harsher rules in place, California has been able to address issues that the federal rules were not likely to tackle.

Diesel prices in India are based on dynamic fuel pricing system and hence revised on a regular basis. The diesel rates are revised at 6 am every day. This dynamic pricing ensures that even a ...

The latest car news, videos and expert reviews, from Cars.com's independent automotive journalists Read our region-by-region breakdown of the Trump administration’s tariff proposals and ...