BusinessGreen: The market for decommissioning services for coal-fired power stations is set to reach $5.3bn between 2013 and 2020, according to new research that suggests a combination of tightening environmental regulations and increasingly competitive alternative energy sources will result in a spate of plant closures. The new research from analyst firm Navigant Research predicts that the "coming wave of retirements offers significant opportunities to the companies that will carry out the decommissioning processes"....