I’m a simple man: I love race cars and I love semi-trucks. Put the two together, and you have my attention. That’s what Australian speed freak Rob Waters has done with his W-Series Kenworth ...

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.

While designing their SuperTruck 2 demonstrator vehicle, Kenworth wanted to achieve a 100% freight efficiency improvement over their 2009 T660 semi-truck ... engine were to go into production ...