Animus between co-founders of TuSimple is playing out in courts across the US with a proposed liquidation the latest salvo.

President-elect Donald Trump’s vowing to protect American-made cars through steep tariffs on imports. The problem is, there is no such thing as an all-American car.

In the commercially oriented 5500 HD that can see high sustained loads, the Cummins’ Standard Output rating is 360 horsepower ...