2015 · Milestone
Congress lifts crude oil export ban
Buried in the December 2015 omnibus spending bill, repeal of the 1975 crude export ban—instituted after the Arab oil embargo—let U.S. shale producers sell crude globally as domestic production surged.
Historical era
Shale gas & renewable buildout (2005–2019)
Shale drilling expanded gas supply; wind and solar capacity grew sharply even as coal peaked.