environmental
alternative
auto
automobile
battery
cable
car
care
clean
connection
conservation
eco
eco friendly
ecologic
ecological
ecology
economic
economy
efficient
electric
electricity
energy
environment
fuel
future
futuristic
global warming
glow
green
hybrid
icon
illustration
industry
lifestyle
mobile
modern
nature
plug
pollution
power
protect
recycle
recycling
renewable
saver
sign
symbol
technology
transport
transportation
vehicle
white