The base engine in the 2017 Silverado HD remains the 6.0L Vortec L96 V-8. The gasoline drinker is still E85-compatible, meaning that it’s capable of running on unleaded or up to 85 percent ethanol.

Remember when the Ford Motor Company, General Motors, and what used to be Chrysler all offered light-duty pickup trucks with available turbo diesel oomph? Only the largest of the Detroit-based ...