Climate-warming gas leaks must be fixed by utilities in a new proposed rule

Gas utilities will have to check customer meters, like these in Darby, Pa., for leaks more frequently under proposed regulations from the Pipeline and Hazardous Materials Safety Administration.

Natural gas utilities likely will face stricter federal regulations for their climate-warming methane emissions. Among the biggest sources of leaks is the meter outside a gas customer's home.

(Image credit: Jeff Brady)