The implementation dates for standards for motor vehicle diesel fuel and diesel fuel additives, and for other provisions of this subpart, are as follows:

(a) Implementation date for standards applicable to production or importation of motor vehicle diesel fuel, and to motor vehicle diesel fuel additives. Except as provided in paragraph (d) of this section, beginning June 1, 2006:

(1) The standards and requirements under §80.520(a) and (b) shall apply to any motor vehicle diesel fuel produced or imported by any refiner or importer; and

(2) The standards and requirements under §80.521 shall apply to any motor vehicle diesel fuel additive.

(b) Implementation date for standards applicable to motor vehicle diesel fuel downstream of the refinery or importer. Except as provided in paragraphs (c) and (d) of this section, beginning September 1, 2006, the standards and requirements under §80.520(a) shall apply to any motor vehicle diesel fuel at any downstream location.

(c) Implementation date for standards applicable to motor vehicle diesel fuel at retail outlets and wholesale purchaser-consumer facilities. Except as provided in paragraph (d) of this section, beginning October 15, 2006, the standards and requirements under §80.520(a) shall apply to any motor vehicle diesel fuel at any retail outlet or wholesale purchaser-consumer facility.

(d) Implementation date for motor vehicle diesel fuel subject to the 500 ppm sulfur content standard in §80.520(c).

(1) Beginning June 1, 2006, the sulfur content standard of §80.520(c) shall apply to motor vehicle diesel fuel, but only where authorized under, and subject to, an applicable provision of this Subpart.

(2) Beginning June 1, 2010, the sulfur content standard of §80.520(c) shall no longer apply to any motor vehicle diesel fuel produced or imported by any refiner or importer.

(3) Beginning October 1, 2010, the sulfur content standard of §80.520(c) shall no longer apply to any motor vehicle diesel fuel at any downstream location other than a retail or wholesale purchaser-consumer facility.

(4) Beginning December 1, 2010, the sulfur content standard of §80.520(c) shall no longer apply to any motor vehicle diesel fuel.

(e) Other provisions. All other provisions of this subpart apply beginning June 1, 2006, unless another date is specified.

[66 FR 5136, Jan. 18, 2001, as amended at 69 FR 39168, June 29, 2004; 70 FR 70509, Nov. 22, 2005]