Dan Brouillette, U.S. deputy secretary of energy, speaks at Environmental Protection Agency (EPA) headquarters in Washington, D.C., U.S., on Wednesday, June 19, 2019. President Donald Trump is scaling back sweeping Obama-era curbs on greenhouse gas emissions from power plants burning coal, his biggest step yet to fulfill his campaign promise to stop a "war" on the fossil fuel. Photographer: Al Drago/Bloomberg via Getty Images
