The Environmental Protection Agency says consumers across the U.S. will still be able to buy cheaper E15 gasoline this summer.

With Trump's EPA waiver on E15 summer sales, supporters say nation needs year-round access to gasoline with 15% ethanol to help cut pump prices.

An Emergency Waiver from the EPA may alleviate some of the pain at the gas pump for drivers, but only if your car can use a specific type of fuel.