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?