The regulations require parameter comparisons and not emissions performance reduction comparisons. See § 80.65(f)(3)(iii)(B)(1). (11/10/97)
This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through November 10, 1997 (PDF)(333 pp, 18.17 MB, EPA420-R-03-009, July 2003, About PDF)