Biofuels Flashcards
1
Q
What are biofuels made from?
A
Plant or animal waste
2
Q
What is done with the waste?
A
Waste placed in a fermenter and bacteria used to break it down and convert it into different fuels
3
Q
What is bioethanol’s waste substance?
A
Sugar and starch in corn
4
Q
What is biodiesel’s waste substance?
A
Waste oil
5
Q
What is biogas’s waste substance?
A
Methane from biodegradable waste
6
Q
What can biofuels be used for?
A
Generate electricity or for cooking and transport
7
Q
What are two advantages of biofuels?
A
Renewable source of energy
Reduces amount of waste being left to break down naturally (reducing greenhouse gases)
8
Q
Materials used to make biofuels (7)
A
Used cooking oil
Corn
Sugar beet
Sugar cane
Tallow
Wheat
Crude glycerine
