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Car Tech Live Podcast 140: The next big thing in car tech? There's an app for that.

Apps are the next big thing in car tech; New York wants to crack down on how truckers use GPS; why run-flat tires suck so damned much; the search for the perfect iPod Touch rig in your car; and a ride in the BMW 650i Convertible.

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• CNET drives the BMW 650i Convertible in a rather bemused way

• Consumer Reports takes on the stuck throttle floor mat thing

• Why an FM modulator makes a monkey out of your hissy FM transmitter… Read more

New honeycomb tire is 'bulletproof'

The University of Wisconsin-Madison and a Wausau, Wis., company have come up with a 37-inch, bullet and bomb-proof Humvee tire based on a polymeric web so cool looking there's no need for hub caps.

Resilient Technologies and Wisconsin-Madison's Polymer Engineering Center are creating a "non-pneumatic tire" (no air required) that will support the weight of add-on armor, survive an IED attack, and still make a 50 mph getaway. It's basically a round honeycomb wrapped with a thick, black tread.

The military wants an alternative to the current Humvee "run flat" tires, which despite … Read more