In case your automobile is parked and idling for greater than 10 seconds, flip it off. Even in the event you’re not driving at excessive speeds on the freeway, a automobile that is “on” however not shifting continues to be utilizing between 1 / 4 and a half gallon of gasoline per hour. It additionally releases emissions that may be dangerous if parked the place individuals collect. Each little factor you are able to do to save lots of gasoline provides up, so flip off the automobile in the event you’re not going wherever straight away.