hydraulic fracturing fluid
Oil and gas drilling companies using hydraulic fracturing in Texas say they are recycling more water than ever before thanks to a change in state rules.
Democrats on a congressional oversight panel are stepping up their investigation into how well states are regulating the disposal of oil and gas waste, citing continuing public concern.
A new study suggests hydraulic fracturing, or fracking may not directly cause groundwater contamination at some oil and gas well sites.
A major supplier to the oil and gas industry says it will begin disclosing 100 percent of the chemicals used in hydraulic fracturing fluid, with no exemptions for trade secrets.