[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR610.25] [Page 1003] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 610_FUEL ECONOMY RETROFIT DEVICES--Table of Contents Subpart B_Evaluation Criteria for the Preliminary Analysis Sec. 610.25 Evaluation of test data. Valid manufacturer-furnished test data will be evaluated with respect to: (a) Vehicle applicability; (b) Dependence of device effects upon vehicle type; (c) Device effects on fuel economy, and on emissions, with statistical or other caveats as established by the data base; (d) Definition of claims which can be made based on the available data; and (e) Substantiation of specified claims made by the manufacturer.