Energy Resources: Biofuels Quiz

Fill in the gaps, then press 'Check'. This quiz has a word list:
   algae      biodiesel      Bioethanol      crops      oils      rapeseed      sugar cane   
Biofuels for vehicles include and bioethanol.
Biodiesel can be made from the in crops such as .
can be made by fermenting .

Producing biofuels from means less land for growing food. Biofuels can also be made from , which does not need as much land.