Hill: Four New Mexico Democrats are encouraging the Obama administration to release a strong rule regulating methane emissions at oil and gas drilling sites. We recognize that oil and gas producers have an economic incentive to minimize methane losses and the industry is improving its practices, the Democrats led by Sens. Tom Udall and Martin Heinrich wrote in a letter to the Office of Management and Budget (OMB). However, federal action is necessary to ensure that steps to limit methane releases...