What many don’t realize is that part of this seasonal price increase stems from the switch to summer gasoline blends. This ...

Sean Duffy took aim at the main way the federal government regulates miles per gallon for cars and pickup trucks — also a principal way that it regulates air pollution and addresses climate change.

The proposed sulfur standards will cost refineries less than a penny per gallon of gasoline on average once ... 1 in 3 Americans live in areas where air pollution levels exceed at least one ...