英文關鍵字
alternative
auto
automobile
battery
car
charger
charging
clean
co2
concept
conservation
ecology
economy
efficient
electric
electricity
electro
energy
environment
fuel
gasoline
green
hybrid
lake
location
modern
nature
outdoors
park
petroleum
place
planet
power
public
road
save
service
sign
socket
station
stop
symbol
traffic
transportation
travel
trip
vehicle
water
zero