Bye-bye diesel, hello alternative fuel! The last diesel bus in L.A. has driven into that big scrapyard in the sky, with the entire MTA bus fleet now running on alternative fuel. This moment has been almost twenty years in the making, and it means that the Los Angeles MTA is the first major transit agency nationwide to have a 100% alternative energy-run bus fleet. Now it's easy to be green with your commuting choices! (HuffPo)