Last week, L.A. Metro, the second largest transit agency in the United States, voted to ensure that all of its more than 2,200 buses will run on battery electric power by the year 2030. This is a huge ground-breaking decision. The city of Los Angeles, its mayor, and its transit board have thrown down the gauntlet; if they can make this commitment, so too can transit agencies in every other U.S. city, large and small.