hydrocarbon fuels Flashcards
1
Q
The carbon dioxide-involving steps in biodiesel production and use are show below:
The plants that provide the oil used in biodiesel take up carbon dioxide during photosynthesis
Carbon dioxide is released when we fertilise and harvest the crops
Carbon dioxide is released when we extract the oil
Carbon dioxide is released during transport of the oil
Carbon dioxide is released during combustion of the biodiesel
A
Biodiesel production and transportation still contributes to carbon dioxide emissions
2
Q
What is the definition of a biofuel?
A
A fuel made from animal or plant products
3
Q
a useful waste product also made in the production of biodiesel?
A
Ethene
4
Q
Which substance is released by diesel engines into the air and may cause lung damage and cancer?
A
Particulates
