There has been concern that the production of biofuels will reduce the amount of food, and thus raise food prices. High food prices most affect poor people, who spend a larger percentage of their income on food.<ref>See [http://news.bbc.co.uk/1/hi/sci/tech/5369284.stm news]</ref> | There has been concern that the production of biofuels will reduce the amount of food, and thus raise food prices. High food prices most affect poor people, who spend a larger percentage of their income on food.<ref>See [http://news.bbc.co.uk/1/hi/sci/tech/5369284.stm news]</ref> |