Biofuels Flashcards
1
Q
What is a biofuel made from?
A
chemicals obtained from living things
2
Q
What can biogas be burned of heated in to?
A
water and used in central heating systems
3
Q
what is a advantages of biogas?
A
its renewable
plants which decompose to make it can be replaced quickly by new crops.
its a clean fuel.
the raw materials are cheap
4
Q
what is ethanol made from?
A
sugar cane and sugar beet
5
Q
What are the two main biofuels?
A
ethanol and biogas
