auto
automobile
benzine
biodiesel
car
conservation
consumer
consumerism
cost
diesel
economy
energy
environment
fill
filling
fuel
garage
gas
gasoline
gasstation
generation
handle
hose
industrial
industry
lead
liquid
male
metal
motor
nozzle
octane
oil
person
petrol
petroleum
pipe
pollution
power
price
pump
refill
reflection
refuel
refueling
resource
rising
service
sleeve
station
tank
tool
transport
transportation
travel
trip
unleaded
utility
vehicle