Manager of EcoEnergie Eric Herger holds a sample of biodiesel made from rapeseed in Etoy, near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

A sample of rapeseed biodiesel is displayed atop rapeseeds at EcoEnergie's production plant in Etoy, near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

Manager of EcoEnergie Eric Herger holds a sample of biodiesel made from rapeseed in Etoy, near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

A worker checks rapeseed quality at EcoEnergie's rapeseed biodiesel production plant in Etoy near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

Manager of EcoEnergie Eric Herger pours biodiesel made from rapeseed into a container, in Etoy, near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

Manager of EcoEnergie Eric Herger controls rapeseed oil filtration at the company's rapeseed biodiesel production plant, in Etoy, near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

A worker checks rapeseed quality at EcoEnergie's rapeseed biodiesel production plant in Etoy near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

Manager of EcoEnergie Eric Herger controls the glycerine levels at a rapeseed biodiesel production plant in Etoy, near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

A sample of rapeseed biodiesel is displayed atop rapeseeds at EcoEnergie's production plant in Etoy, near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

Oil and biodiesel containers are pictured at EcoEnergie's rapeseed biodiesel production plant in Etoy, near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND) 

A worker checks rapeseed quality at EcoEnergie's rapeseed biodiesel production plant in Etoy near Geneva, August 13, 2008. EcoEnergie produces 3 million litres of biodiesel per year, equivalent to more than 30 percent of Switzerland's global biodiesel production, while being one of the few companies to operate the full process from seed to oil. REUTERS/Valentin Flauraud (SWITZERLAND)