Fuel Saving Tips
Many Bluetooth OBDII scan tools work fine with modern smartphones. (eg. ELM327 works with OBDscope on my Nokia. Verify it'll work with your phone - many others to choose from like OBDLink, OBDKey, DIAMEX, etc on Amazon & eBay.) Easily get useful instantaneous MPG ETC with a ~$25 reader for better hypermiling!
posted by babygdav on December 18, 2010
this tip works for 90% of voting Fuelly members.