Four regulated gas utilities in California will get nearly $315 million to track, repair, and reduce methane gas leaks in their systems over the next few years.

The California Public Utilities Commission voted Oct. 11 to accept plans from Pacific Gas and Electric Co., Southern California Gas Co., San Diego Gas & Electric Co., and Southwest Gas Corp. to dramatically reduce emissions of the potent greenhouse gas.

Commissioner Cliff Rechtschaffen said the program was the first...