biomass 7 Associations

fuel (generic term)

bunker 6 Associations

fuel (generic term)

butane 6 Associations

methane series (generic term) alkane series (generic term) alkane (generic term) paraffin series (generic term) paraffin (generic term) gas (generic term) fuel (generic term)

charcoal 8 Associations

wood coal fuel (generic term) carbon (generic term) C (generic term) atomic number 6 (generic term)

coal 4 Associations

fossil fuel (generic term) vegetable matter (generic term)

coal gas 8 Associations

fuel (generic term)

coal oil 8 Associations

kerosene kerosine lamp oil fuel (generic term) hydrocarbon (generic term)

coke 4 Associations

fuel (generic term)

combustible 11 Associations

combustible material fuel (generic term)

combustible material 20 Associations

combustible fuel (generic term)

crude 5 Associations

petroleum crude oil rock oil fossil oil oil (generic term) fossil fuel (generic term)

crude oil 9 Associations

petroleum crude rock oil fossil oil oil (generic term) fossil fuel (generic term)

derv 4 Associations

diesel oil (generic term) diesel fuel (generic term)

diesel fuel 11 Associations

diesel oil fuel (generic term)

diesel oil 10 Associations

diesel fuel fuel (generic term)

firewood 8 Associations

fuel (generic term)

fossil fuel 11 Associations

fuel (generic term)

fossil oil 10 Associations

petroleum crude oil crude rock oil oil (generic term) fossil fuel (generic term)

fuel oil 8 Associations

heating oil oil (generic term) fuel (generic term)

gas 3 Associations

gasoline gasolene petrol fuel (generic term) hydrocarbon (generic term)