fuel@@1	fuel	combustible	14
fuel@@1	fuel	gas	11
fuel@@1	fuel	power source	10
fuel@@1	fuel	propellant	10
fuel@@1	fuel	energy	5
fuel@@1	fuel	energy material	4
fuel@@1	fuel	juice	3
fuel@@1	fuel	motor fuel	3
fuel@@1	fuel	energy source	2
fuel@@1	fuel	gas product	2
fuel@@1	fuel	gasoline	2