LEEDS, Alabama—Just how efficient can a fully loaded Class 8 tractor-trailer be? Shell sought to answer that question when designing its Starship 3.0, a Class 8 concept equipped with readily available ...

We all know EPA fuel economy ratings are hogwash. Eight months and 16,000 miles of diverse driving have proven that as we’ve averaged 18.8 mpg in our diesel Silverado ZR2. However, if you pull the ...

Aug 26 (Reuters) - U.S. crude oil and product inventories were expected to have fallen last week, a preliminary Reuters poll showed on Monday. Four analysts polled by Reuters estimated, on average, ...

The Komatsu hydrostatic drive uses a high-speed and low-speed motor. When lots of torque is needed, both drives work through the crankcase; but when the machine gets up to speed, a clutch removes the ...