Ultimate Test Drives… 2018 Kenworth T680: An Updated Aero Package When Kenworth launched the T680 in 2012, the company said it was the most aerodynamic truck it had ever built. A few things have changed since then, and the T680 has evolved, and it’s not even more aerodynamically efficient. Jim Park takes a walk around tour of the truck, examining the T680’s latest aero enhancements.
