WORLAND – The first thing you notice when you walk in is the smell of fuel. The second is the rock and roll blaring over the garage speakers. In the last bay at Diesel Pickup Specialists (DPS) of Worland, owner Michael Baugh is working on customer Dan Madden's prize-winning CAT-AMAX, a custom diesel truck that has just returned from another winning tour of the drag circuit.

For the past several ye...