As I drove to Mom's house, the "maiden voyage" of my wheel covers (
http://ecomodder.com/forum/showthrea...aps-30157.html), I wondered if there were any dash-cam apps. Some standalone devices have GPS to show your speed and other information. Some can connect to your OBD-II port. I found
CaroO Pro (Blackbox & OBD), "Market leading dash cam with eco-driving support!" It also connects to a OBD-II dongle and shows car information! This screen shot does not show it, but you are supposed to be able to see MPG information.