auto
barrel
benzine
benzol
business
car
charges
cheap
cost
costly
costs
crisis
dear
diesel
drip
economic
economical
economics
economy
empty
energy
engine
expense
expensive
filling
finger
fuel
fuelling
full
gallon
gasoline
hand
hold
industry
liter
motor
oil
petrol
pistol
power
price
profit
profitable
refuel
station
tank
thrift
transport
transportation