environmental
alternative
bio
car
care
clean
concept
conservation
delete
design
earth
ecology
electric
energy
factory
fuel
garbage
go
green
hands
healthy
icon
industry
leaf
line
natural
oil
organic
petals
petrol
pictogram
planet
plant
pollution
power
protection
recycling
releases
save
set
shape
station
symbol
tap
thin
trash
truck
vehicle
waste
water
web
wind