The following article from John Deere, while oriented towards argricultural users, provides insight on the upcoming switch to Ultra Low Sulphur diesel:
I love deadlines. I especially like the whooshing sound they make as they go flying by. '05 Silverado 2500HD, EC, Duramax Diesel / Allison 4X4 (Tow rig) '98 TJ '91 XJ '02 Haulmark enclosed
