Southern California Edison, Pacific Gas & Electric Co., Southern California Gas, and San Diego Gas & Electric told the California Public Utilities Commission during an August 21 hearing on corporate sustainability that they are embracing energy efficiency projects to increase conservation and greenhouse gas reduction efforts. The utilities are projected to save about 7,000 GWh and 150 MMthm of natural gas through efficiency programs in 2010-2012, thereby avoiding 3 MMT of GHG emissions.