Amazingly, the W900 has been around since 1963, though Kenworth announced this week that it’s canceling the iconic semi-truck next year. If there was ever a time to pour one out, this might be it.

Haygood said new markets may also emerge for Kenworth thanks to the new engine. “Some fleets that run Class 5-6 trucks run an all-gasoline fleet and their maintenance facilities are set up for ...