In the increasingly competitive world of heavy-duty pickup trucks torque is king and for many buyers that means diesel. With the introduction of the 2011 Silverado HD Chevrolet has also introduced a new more-powerful, more-efficient fourth-generation Duramax diesel engine. In this interview Kelley Blue Bookâs Jack Nerad speaks with Gary Arvan, chief engineer for the new engine, to learn about the latest advances in diesel technology. For more new car reviews, interviews and automotive news visit http://www.kbb.com today.
