What is a fuel
Substance that has a large amount of chemical energy stored in it
Types of fuels
Fossil Fuels
Biofuels
Fossil fuels
Non renewable fuels
Natural gas coal crude oil
Coal
Solid material made from compressed dead plant material
Crude oil
Needs to be converted into other types of fuels before usefull
Natural gas
Methane but also has ethane
Biofuels
Fuels that are derived from plant material wastes
Types of biofuel
Biogas
Bioethanol
Biodiesel