A petrol station employee fixes a sign including the new ethanol E10 fuel at a highway service station in Soltau between Hamburg and Hanover March 1, 2011. Starting this year, Germany introduced on its gas stations the so-called E10 fuel with 10 percent ethanol in a move to reduce vehicle exhaust emissions in line with European Commission directive regarding regulations on greenhouse emissions. Picture taken March 1, 2011. REUTERS/Christian Charisius (GERMANY - Tags: TRANSPORT ENVIRONMENT ENERGY)