If Trump Loses, the Coal Industry Has a Plan B

Republican presidential nominee Donald Trump has won over the U.S. coal industry by promising to revive the downtrodden sector and scrap regulations if elected. But the industry has a Plan B if the New York businessman loses to his more green-minded Democratic rival Hillary Clinton on Tuesday: carbon capture and storage, a technology that captures carbon dioxide from burning coal and injects it underground, where many scientists are optimistic it cannot contribute to global warming.