選択的
attendant
automobile
blue
close
concept
cost
diesel
economy
energy
engine
expensive
feeling
fill
focus
fuel
full
gas
gasoline
hand
increase
industry
man
oil
petroleum
photo
pollution
pour
power
price
pump
rate
refill
refueling
save
service
station
supply
tank
transport
transportation
travel
tsar
up
vehicle
watt