For nearly a decade, lobbyists, academics and politicians alike have hailed the shale revolution as the guarantor of U.S. energy security. U.S. President Donald Trump has even taken their expectations a step further, envisioning a world of American "energy dominance," where the country's oil exports would fortify the supplies of its closest allies. But as the severe fuel shortages that swept across Texas and Louisiana in the wake of Hurricane Harvey have shown, America still heavily relies on those states' Gulf coasts to refine crude oil into gasoline, diesel and other petroleum products. True energy security, then, still seems to be just out of the United States' reach.
At least, it is based on some definitions of energy security....