If you thought the pain and suffering against diesel would end anytime soon, think again.  Today in Federal Court in Detroit, a class-action lawsuit was filed against General Motors by 705,000 owners of the 2011 to 2016 Chevrolet Silverado and GMC Sierra HDs equipped with the Duramax V8 diesel claiming the engine has illegal software to skirt emission tests. The 190-page suit says GM equipped the Duramax V8 with various software programs to pass regulatory emission tests, while spewing two