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

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State issues new rules to avoid future methane leaks

January 26, 2016 4:27 PM

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