cruel
dual
renewal
No its not a fossil fuel
fossil
Oil is a fossil fuel.
Fossil fuel is cheap
Fossil
Colossal fossil
fossil! apostle!
Gasoline is a fossil fuel.
Sorry, no, wool is not a fossil fuel.
Yes it is a fossil fuel.
gas comes from fossil fuel.
GAS I take it this is an American answering. As a British person, OIL is a liquid fossil fuel, COAL is a solid fossil fuel and NATURAL GAS is a gaseous fossil fuel.