Kenworth's hybrid tractor is based on the T370, ... From the February 2009 issue of Heavy Duty Trucking. Read more about Test Drive. About the author. Tom Berg. Former Senior Contributing Editor.

How a Tractor Became an 'America First' Hybrid Tank Ahead of its Time The U.S. military began testing hybrid tanks more than 100 years ago. (Museum of Innovation and Science) ...

Available in two transmission options, the tractors deliver improved performance, an enhanced operator experience and factory ...