The EPA rejected California’s compromise deal, Bloomberg reported.
Japanese authorities raided the company's offices on Thursday after the automaker said it improperly conducted fuel efficiency tests.
Today's commercial jets are far more efficient than the typical car for some trips, according to a new study from the University of Michigan's Transportation Research Institute.
The US Department of Justice and the Environmental Protection Agency hit Hyundai and Kia with a $350 million fine on Monday for underestimating the amount of greenhouse gases their vehicles emit.
Car emissions and coal-fired Chinese power plants spew lung-choking particulate matter into the atmosphere at alarming levels.
If your car gets 55 mpg, then Oregon wants to tax you.