Plot: Hop into the cab for the ride of your life as we examine extreme trucks, including: a jet truck that can travel 300 mph; the Baltimore Technical Assistance Response Unit's mobile command truck; a garbage truck with an articulated arm; a concrete pumper truck with telescoping boom and pumping mechanism; and a 4-wheel-drive truck that can convert from mower to street sweeper to backhoe to snow blower in mere minutes. Learn how SWAT, bomb squad, HAZMAT, and crime scene specialty trucks are built