Biofuels Flashcards
1
Q
What are biofuels?
A
- Fuel that is made from recently living organisms.
- Come from plants or algae.
- so..lock up the suns energy which can be released later when we burn for fuels.
- Animal Waste can be used but for a much shorter scale.
2
Q
Why are biofuels seen as carbon nuetral?
A
- Although they release co2.
- Take up the co2 while the plants are growing.
- ## No OVERALL release of co2.
3
Q
Pros:
A
- renewable reasource.
- Cheap to make.
- Easy to transport.
- Mix them with fossil fuels.
- like petrol.
- ## Benefit from bio fuels without having to get new cars.
4
Q
Cons:
A
- Need somewhere to grow all of these plants.
- Converting natural land.
E.g: cutting down forests. - and burns trees and damages the enviroment which releases co2.
- Harvesting
- Processing.
- Transport = all require energy so more co2 being released.