>> Eventually lawmakers are gonna force automakers to put in a device to block all cell phone traffic while the automobile is running.
Better solution: You have to enter a code if you want to text while moving. That way, if you're locked in the trunk, you can append *#911 to your 911 call and let the call go through.
i.e. they should tackle this on the providrer end, not in roving blackout-mobiles.