By WEMU
http://stream.publicbroadcasting.net/production/mp3/wemu/local-wemu-861320.mp3
Ann Arbor, MI – Google's Clean Energy Czar says the key to reducing energy usage is increasing efficiency, not trying to drastically change the way people do things. AS WEMU's Andrew Cluley reports, Bill Weihl was the keynote speaker at the University of Michigan's Energy Fest.