The Trump administration’s commitment to coal is under its stiffest test yet after an Ohio energy company made a plea to favor that power source over its many rivals, including oil and natural gas, in a clash that could end with higher costs for consumers. FirstEnergy Corp.’s fleet of coal- and nuclear-power plants filed for bankruptcy over the weekend , just days after the company asked the federal government for an emergency declaration that would keep many of them open. That forces President Donald Trump’s Energy Department into a decision on whether to intervene under a lightly used, 83-year-old law and compel the nation’s largest electric-grid operator to dispatch power from FirstEnergy’s coal and nuclear plants effectively before any other. Mr. Trump has been one of the coal industry’s biggest boosters, campaigning on reviving a downtrodden industry, and his administration has voiced support for nuclear, too. Both of those […]