In this Jan. 7, 2016, file photo, a sign declares the boundary line of the Southern California Gas Co. gas fields where a gas well was leaking methane daily near the community of Porter Ranch in Los Angeles.
In this Jan. 7, 2016, file photo, a sign declares the boundary line of the Southern California Gas Co. gas fields where a gas well was leaking methane daily near the community of Porter Ranch in Los Angeles. Michael Owen Baker AP
In this Jan. 7, 2016, file photo, a sign declares the boundary line of the Southern California Gas Co. gas fields where a gas well was leaking methane daily near the community of Porter Ranch in Los Angeles. Michael Owen Baker AP

State issues new rules to avoid future methane leaks

January 26, 2016 4:27 PM

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