As limits on SO 2 emissions become tighter, many coal-fired utility power plants are adding new flue gas desulfurization (FGD) systems or upgrading existing ones. The majority of these systems employ ...

Matt Wallaert says there are technical reasons why stack ranking is a flawed system. He argues that even if all the technical issues were fixed, it would still be a damaging review system. The most ...

Yahoo reported earnings misses for 2Q of 2014, but the company's stock is up on news it will return much of its stake in Chinese e-commerce giant Alibaba to investors. CEO Marissa Mayer said Yahoo was ...