Thumbs Up by 38 MPG Fuel Efficient Bumper Sticker on green Toyota Echo car.
Close up of a person holding thumbs up next to a 38 miles per gallon fuel efficiency bumper sticker on a green Toyota Echo car. Sticker from MPG Stickers (mpgstickers.com), a grassroots, nonprofit campaign which aims to accelerate the adoption of fuel efficient vehicles in the United States. California, USA. Property released from mpgstickers.com.