Tulsa World: A letter by Oklahoma Attorney General Scott Pruitt and signed by his counterparts in 12 other energy-producing states tells the EPA it should not allow threats of litigation by six Northeast states to provide a back-door entry for federal oversight of fracking.
The U.S. Environmental Protection Agency has been studying the effects of hydraulic fracturing but so far has stayed out of an enforcement role.
The Pruitt letter, however, noted that New York, Connecticut, Massachusetts, Vermont, Delaware...