Associated Press: A judge heard arguments Tuesday over whether Wyoming regulators should empower the public to look up the ingredients in the chemical products used for hydraulic fracturing, the petroleum industry practice that splits open oil and gas deposits with pressurized water.
The Powder River Basin Resource Council and others say landowners need to know what those chemicals are in case a gas or oil well rupture or some other mishap released pollutants into their well water. The council sued last year after...