Dr. Bernard Weinstein, Associate Director of the Maguire Energy Institute and Tower Center Associate, wrote about how a decade ago, more than 50 percent of the electricity consumed in the United States came from coal-fired generating plants. But by 2016, coal’s No. 1 status had been replaced by natural gas. At the same time, the deployment of renewable energy sources has grown dramatically in recent years and now accounts for 20 percent of installed capacity nationwide. Read more here.