PLX Kiwi

This is a device that plugged into an OBD II port. The PLX can only be used in 1996 models to present day models. With the device connected to the car it can give real-time gas mile so you can change your driving habits so gas consumption will be lower.This is a great device, especially, since we are having such a bad gas crisis. If you really want to save gas you should be prepared to pay $300