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Here is a site about a project this guy took on to create a wifi hotspot in his car by repurposing cellular signals and Verizon’s BroadbandAccess. He was even able to do live vehicle tracking using GoogleMaps.

These web pages are about a project I’ve been working on. Put briefly, it’s a WWAN (Wireless Wide Area Network) router. In more human terms, it’s a compact little box that gets data from cellular towers and re-shares it for multiple computers to use.

To use it all you do is plug it in to the cigarette lighter of a car (or a 12v supply when at home). It automatically boots up and links in to Verizon’s “Broadband Access” service, turning itself into an access point. Turn on your laptop, join the network and voila — you’re on the net! It’s just like using a hotspot (such as they have at Starbucks and airports), but it goes anywhere you car goes.

Also walks through the setup of the computer he installed in the car, the camera setup for capturing pictures, and the vehicle tracking on Google Maps.

All powered through the cigarette lighter socket.

Via BoingBoing