He could also weaken fuel economy standards for the U.S. vehicle fleet. Some automakers have already locked in some of the fuel efficiency gains from Obama-era policies, but the much tighter requirements for vehicles to be manufactured in the model years 2017-2025, which will require 54.5 miles per gallon by the end of that period, are up in the air under a Trump administration. Rolling back efforts to deal with climate change could mean a much greater dependence on oil, and higher demand will lead to higher prices. It will also mean a warmer world could be ahead of us.

Source: Oil And Gas: Huge Victors Of The Presidential Election