By the end of the 20s, GM was bigger than Ford. But planned obsolescence didn't just stay in the auto industry. It spread. People buy new iPhones every year and new clothes every season.

In almost 25 years powering General Motors trucks and SUVs, the 6.6-liter Duramax V8 diesel engine has earned a loyal ...

Duramax diesel engines have been featured in various vehicles, notably GM trucks, for decades. There's a reason why these ...