Photos: Green buses for San Francisco

The Sprinter, a plug-in hybrid delivery vehicle built by DaimlerChrysler. The company hasn't committed to mass-producing these, but it is conducting tests in California. Plug-ins get far better gas mileage, especially below 40 miles per hour, than regular cars and even other hybrids because they mostly run on electricity.

Michael Kanellos

About Bill Detwiler

Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop supp...

Free Newsletters, In your Inbox