see more

An employee at Toyota Biotechnology and Afforestation Laboratory works on the genetic recombination of yeast in the first step of extraction of bio-fuel cellulosic ethanol from Napier grass at the laboratory in Miyoshi City, Aichi Prefecture, Japan, on Monday, Oct. 3, 2011. Toyota has been investing in alternative energy to lessen the risk of power outages at its domestic plants to help cope in case of power disruptions in the future. Photographer: Kimimasa Mayama/Bloomberg via Getty Images

An employee at Toyota Biotechnology and Afforestation Laboratory works on the genetic recombination of yeast in the first step of extraction of bio-fuel cellulosic ethanol from Napier grass at the laboratory in Miyoshi City, Aichi Prefecture, Japan, on Monday, Oct. 3, 2011. Toyota has been investing in alternative energy to lessen the risk of power outages at its domestic plants to help cope in case of power disruptions in the future. Photographer: Kimimasa Mayama/Bloomberg via Getty Images