%0 Report %K Energy efficiency %K 2050 electricity system %K California Carbon Challenge %K Electrification %K GHG emissions 2050 %K GHG saving pathways %K Low-carbon biofuels %K Low-carbon electricity %A Max Wei %A Jeffery B Greenblatt %A Sally M Donovan %A James H Nelson %A Ana Meliva %A Josiah Johnston %A Daniel M Kammen %D 2013 %T Scenarios For Meeting California's 2050 Climate Goals %8 09/2013