biofuels
/ˈbaɪoʊˌfjuəlz/
noun
- Fuels made from living things or their waste, such as plants or animal fat, used as an alternative to fossil fuels.
- Many cars can run on biofuels made from corn or sugarcane.
- Biofuels are considered a renewable energy source because plants can be regrown.
- The government is encouraging farmers to grow crops for biofuels.