• Mack Attack

  March 2013 | Editorial

  North Dakota’s Gustafson Septic Service relies on heavy-duty trucks from Progress Vactruck to pump remote worker camp septic systems.

• Old Oil Blending Idea Won’t Save Anything in Modern Engines

  January 4, 2013 | Online Exclusives

  The first time you hear about it, oil blending sounds like a simple, good idea. Start with motor oil drained from the crankcase for a regular oil change, filter to remove the small…