“ plug-in and flex-fuel capable A plug-in hybrid electric vehicle (PHEV) is a quantum step better than just a hybrid. The “fuel” for short trips is... (read full comment) ” 

Posted on June 19, 2008 at 10:59 AM EDT

“ Grid electric power as vehicle fuel We already have better vehicle ‘fuels’ than hydrogen — including grid electrical power and alcohols like... (read full comment) ” 

Posted on November 4, 2006 at 9:57 AM EDT