Caterpillar Building 700-Ton, Completely Automatic Mega Dump Truck

Gearheads at Carnegie Mellon University are partnering up with tractor-maker Caterpillar to build the world's largest robotic dump truck, a 700-ton ground mover capable of hauling 240 tons of earth. In case you can't wrap your head around that amount, that's like 33 African bull elephants worth of dirt. The trucks are… » 9/10/08 3:30am 9/10/08 3:30am