Biofuels such as ethanol and biodiesel are increasingly being used as an alternative to petroleum-based transportation fuels. Ethanol is produced by fermenting the natural sugars in crops such as corn and sugarcane, while biodiesel is produced from vegetable oils, animal fats or recycled cooking greases. Biofuels are renewable and can substantially reduce greenhouse gas emissions compared to...
English
Arabic
Français
Español
Português
Türkçe
Dutch
Italiano
Russian
Romaian