機器
auto
automobile
automotive
biofuel
business
car
cartoon
charge
chemistry
city
consumption
customer
design
diesel
energy
ethanol
filling
flat
fuel
gas
gasoline
graphic
illustration
industrial
industry
man
modern
oil
petrol
petroleum
pollution
pump
refill
refuel
refueling
service
simple
station
technology
town
transport
transportation
urban
vehicle