The 6.7 Cummins grid heater is prone to failure, but why is this? We'll discuss the reasons and the fixes for this ...

A lawsuit claims that Cummins and Ram misrepresented the performance of Heavy Duty trucks with diesel defeat devices.

A big reason for the high price of entry is the effective but expensive 6.7-liter Cummins turbodiesel engine ... economy within about 10 percent of the diesel. Ford is hoping to hit that lofty ...