Support WBURBiofuel Push Stalls In 'Car Crazy' GermanyPlay04:13Download AudioEric WesterveltMay 24, 2011 ShareA woman fills her tank with E10 gasoline in Berlin on March 4. Delivery of the fuel, which is a blend of gasoline and 10 percent ethanol, has stopped because consumers are not buying enough of it. (Getty Images)
