San Diego Gas & Electric ( SDG&E ) will construct vehicle - to - grid ( V2 G ) chargers for at least 3,000 medium and heavy - duty EVs , including buses and pickup trucks . The scheme also supports refrigerated semi - truck trailer electrification . sdgenews.com The California Public Utilities Commission approved the five - year scheme largely because of technology that allows buses to send energy back to the grid . It said the project is the nation 's first large - scale charging infrastructure programme of its type .
San Diego Gas & Electric ( SDG&E ) will construct vehicle - to - grid ( V2 G ) chargers for at least 3,000 medium and heavy - duty EVs , including buses and pickup trucks . The scheme also supports refrigerated semi - truck trailer electrification . The California Public Utilities Commission approved the five - year scheme largely because of technology that allows buses to send energy back to the grid . It said the project is the nation 's first large - scale charging infrastructure programme of its type .