atom
biodiesel
biofuel
cereal plant
chimney
coal
crude oil
dam
design
drilling rig
electricity
electricity pylon
energy
equipment
factory
fossil fuel
fuel
fuel and power generation
fuel storage tank
gas
gasoline
high voltage sign
hydroelectric power
icon
icon set
illustration
industrial
industry
logo
manufacturing
nuclear power station
offshore platform
oil industry
oil refinery
petrochemical plant
pollution
power station
sign
smoke stack
social issues
solar energy
solar panel
symbol
technology
wheat
wind turbine
windmill