Semi-trucks are crucial for getting ... for the high milage comes down to how the diesel engine is designed. Diesels feature fewer moving parts, and therefore, they don't experience the typical ...

Walt Moss builds custom vehicles out of the spare parts from his trucking ... His first build was a motorcycle with a semi tire. He also built the Rat Truck. The hood is 11-feet-long.

Narrator: This motorcycle is made from semitruck parts. It's called Tower Trike ... It's powered by a 320-horsepower semi engine and reaches up to 85 miles per hour. Jim: It won't keep up with ...