President Donald Trump is set to announce an executive order directing the Pentagon to buy electricity from coal-powered plants, Bloomberg reported, citing an unnamed White House official. The order will be motivated with the 1950 Defense Production Act, which gives the president the power to give private industries direction on the grounds of national security. In additional support for coal power, Trump will also announce plans for the disbursement of $175 million in federal funds for upgrades at six coal-powered plants in Virginia, West Virginia,…