Could a fleet operator that owns and uses only pre-model year 2007 motor vehicles indefinitely use 500 ppm highway diesel fuel? Even after 2010? What if the fleet operator also produces his own motor vehicle diesel fuel?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. The regulations at § 80.500(d)(4) state that beginning December 1, 2010 the sulfur content standard of § 80.520(c) (i.e., the 500 ppm sulfur standard) shall no longer apply to any motor vehicle diesel fuel. After, December 1, 2010 all…