1. NATURAL GAS
N.D. leaders look to regulation as flaring ticks up
The amount of natural gas being burned away at oil wells in North Dakota rose the most in more than a year in July, and state officials now say it may take new regulations to tackle the problem.
Tank cars' toughness is questioned in crude-by-rail crash
As U.S. officials weigh tightening standards for crude-hauling rail cars, one point looms large in the debate: Could a sturdier car have made difference in the July 6 deadly oil-train derailment in Quebec?