i know this wouldnt benefit most of the car savy population of this website... but it would definitely help people like my girlfriend and my chick friends who dont understand that there is a correlation between gas mileage and their driving habits...
http://cgi.ebay.com/ebaymotors/PLX-...Z280279759805QQptZMotorsQ5fAutomotiveQ5fTools
http://www.youtube.com/watch?v=BgNPwB-auu4&eurl=http://www.plxkiwi.com/product/how_video.html
http://cgi.ebay.com/ebaymotors/PLX-...Z280279759805QQptZMotorsQ5fAutomotiveQ5fTools
http://www.youtube.com/watch?v=BgNPwB-auu4&eurl=http://www.plxkiwi.com/product/how_video.html