There's one thing that the new 6.4L Power Stroke, 6.7L Cummins, and LMM Duramax engines all have in common-they are forced to breathe through a diesel particulate filter (DPF). This "trap" is actually ...

View post: One of the Last Manual VW Golf GTIs Just Hit the Market With 3,800 Miles A few days ago, the EPA announced that diesel emissions defeat devices were no longer its top priority, moving ...