As some of his leading Democratic opponents call for a fracking ban, Trump has been eager to cut a contrast, touting his support for a sector he says brings economic benefits to rural pockets and jobs to construction union workers.

By Marc Levy, Darlene Superville, Associated Press

The emergency order requires that each railroad operating trains containing more than 1 million gallons of crude oil — the equivalent of about 35 tank cars — from the booming Bakken region of North Dakota, Montana and parts of Canada…

By Joan Lowy, Associated Press