barrel
benzine
black
business
canister
car
chemical
concept
crude
depot
diesel
energy
environment
flat
fuel
icon
illustration
industrial
industry
line
liquid
manufacture
oil
petrol
petroleum
pipe
pollution
power
processing
production
pump
raw
refinery
refueling
resource
resources
set
shape
ship
sign
station
storage
supply
symbol
tank
tanker
technology
transport
transportation