Uncertainty around the impact of Donald Trump's policies has led to a small decline in gas prices over the past week, data show.

Advocates say Often sold at gas stations as Unleaded 88, E15 is a blend of gasoline containing 15 percent ethanol, which is a renewable fuel made from plant materials - primarily corn.

You can learn more in our natural gas commodity guide. Oil prices are quoted per barrel, or ‘bbl’. The abbreviation indicates one barrel of crude oil, but you may see Gbbl (one billion barrels), as ...

Change orientation to land scape to view the price table ...