Lesson 10b - Biofuels Flashcards
1
Q
What are biofuels?
A
Naturally occurring substances + organic matter
2
Q
Give 3 examples of biofuels
A
Fuelwood - Chips, Pellets etc
Biomass
Crops
3
Q
What are the benefits of biofuels?
A
Renewable + sustainable
Economically accessible
Prevents waste
Limits emissions
4
Q
What are the costs of biofuels?
A
Requires large land mass
FF used in processing + transport
Loss of countryside
Fertiliser + pesticide inputs
5
Q
Assess the contribution of biofuels to energy security
A
More viable in developing/emerging
Moderate energy output
Availability to all
6
Q
What are the 2 types of biofuel?
A
Primary
Secondary
7
Q
What are primary biofuels?
A
Raw materials in an unprocessed state
Fuelwood, chips etc
8
Q
What are secondary biofuels?
A
Derived from crop processing
Bio-alcohol, Biodiesel etc.
