Since January 1, 2020, California’s updated light bulb efficiency standards has taken effect, following the federal court’s rule on December 31, 2019. The court’s denial of a request for a temporary restraining order means California can proceed with stopping the sale of energy-wasting incandescent bulbs designed to fill 260 million sockets in the state, a move that will cut utility bills while combating climate pollution. (Image: Pixabay) The National Electrical Manufacturers Association and the American Lighting Association had urged the U.S. Dist...