BLP 370: Rolling Coal, an $18M Fine, and Redemption: The PDI Story

They fined him $18 million. He built a diesel empire anyway. Jerad Wittwer grew up the son of a St. George milkman and rancher, overhauled his first engine at 13, and turned a passion for horsepower into Performance Diesel Inc. (PDI) — one of the most recognized names in diesel performance. But the road there ran straight through one of the most controversial chapters in trucking: EPA…