The U.S. power grid couldbecome less reliable if too much electricity comes from renewable energy and natural gas, according to a study from the Department of Energy.
But not everyone is buying it. Environmentalists suspect the Trump administration is just trying to prop up an ailing coal industry.
Energy Secretary Rick Perry called for the study in the spring. The report doesn't say there is a grid reliability problem now — only that one could develop if more coal and nuclear power plants shut down.
A natural gas drilling boom in Pennsylvania is helping the economies of Rust Belt cities long accustomed to bad news. Drilling requires steel — lots of it — and that has manufacturers expanding and hiring new workers.
While much attention has been paid to the environmental risks of drilling into the Marcellus Shale, the economic benefits have been less prominent in the national discussion. But in Youngstown, Ohio, locals have been watching an old industry come back to life.