C3.1.6 - New Fuels Flashcards
What is a non-renewable fuel?
A fuel that is used up more quickly than it is replaced
Give an example of a non-renewable fuel.
Petrol
Diesel
Natural gas
Give an example of a renewable fuel
Hydrogen
Biofuels
How is hydrogen stored in a car?
In a hydrogen fuel tank
In a hydrogen fuel cell
Name the waste product of burning hydrogen fuel in a car.
Water
What are the disadvantages of using hydrogen fuel in a car?
Hydrogen is difficult to store.
Hydrogen is explosive.
There are few hydrogen filling stations.
Can hydrogen be found naturally on earth?
No - it has to be manufactured.
What is the first step in the production of hydrogen?
Methane + Water –> Carbon Monoxide + Hydrogen
What is the second step in the production of hydrogen?
Carbon Monoxide + Water -> Carbon Dioxide + Hydrogen
Why is hydrogen gas not completely good for the environment?
Carbon dioxide is released when it is made.
What is meant by a renewable fuel?
Fuels that are easily replaced
What is meant by a carbon neutral fuel?
A fuel that removes the same amount of carbon dioxide as is released when it is made.
