A worker harvests sugar cane at a plantation in Santa Rita do Passa Quatro, Brazil.
A worker harvests sugar cane at a plantation in Santa Rita do Passa Quatro, about 200-km (124 miles) southeast of Sao Paulo, Brazil September 6, 2005. Motorists around the world are filling their cars with more biofuels, such as ethanol made from sugar cane or corn, in the hunt for cheaper alternatives to stratospheric gasoline prices. Even before the recent surge in crude prices, countries in the Americas, Europe, Asia and Africa were integrating biofuels into national energy plans. France and China said in the past week they would step up the adoption of renewable energies. REUTERS/Paulo Whitaker PW/JJ