Ethanol: Burns cleaner than gasoline, can be made from biomass, and many vehicles can run on fuel that is up to 10 percent this type of fuel.
Biodiesel: Burns cleaner than gasoline, can be made from biomass, and some vehicles can run on fuel that is up to five percent this type of fuel.
Hydrogen: Must be placed in a fuel cell to produce electricity and doesn’t produce greenhouse gases.
Natural gas and propane: A fossil fuel that burns clean, and vehicles that can use this type of fuel are not widely available.
I hope this is correct x
