Detroit: Learn How To Drive

Fiat recently introduced something called ecoDrive - which uses a simple USB drive to inform consumers how much CO2 their driving produces and thenshows them how to reduce their emissions.

Check it out: http://www.youtube.com/watch?v=SluE9Zco55c

Seems like there could be hundreds of great applications for this technology beyond just suggestions on how to reduce your carbon emissions. For example, what if your insurance provider had access to the information and could provide incentives (lower premiums) based on driving behavior?