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The most respected diesel engine in truck history

The Cummins 5.9-Liter Turbo Diesel Was A Game Changer For RAM Back in 1984, Cummins debuted the 5.9-liter turbocharged inline ...

BMW's quad-turbo diesel was too complicated (and expensive) to survive

BMW began production of a quad-turbo diesel engine in 2016. Unfortunately, it ended production due to complicated engineering and its massive cost.