The green car: electric vs. hydrogen?

At the AlwaysOn GoingGreen conference in Davis, Calif., panel moderator Jessie Deeter, producer of Who Killed The Electric Car, leads a discussion with executives on the advancements in renewable energy for automobiles and which technologies will emerge as the most successful. The panelists are: Tom Gage, CEO of AC Propulsion; Gary Starr, chairman of ZAP; Ian Clifford, CEO of ZENN Motor; and Dennis Hogan, CFO of Phoenix Motorcars.