Part 610 - Fuel Economy Retrofit Devices  


Subpart A - General Provisions
§ 610.10 - Program purpose.
§ 610.11 - Definitions.
§ 610.12 - Program initiative.
§ 610.13 - Program structure.
§ 610.14 - Payment of program costs.
§ 610.15 - Eligibility for participation.
§ 610.16 - Applicant's responsibilities.
§ 610.17 - Application format.
Subpart B - Evaluation Criteria for the Preliminary Analysis
§ 610.20 - General.
§ 610.21 - Device functional category and vehicle system effects.
§ 610.22 - Device integrity.
§ 610.23 - Operator interaction effects.
§ 610.24 - Validity of test data.
§ 610.25 - Evaluation of test data.
Subpart C - Test Requirement Criteria
§ 610.30 - General.
§ 610.31 - Vehicle tests for fuel economy and exhaust emissions.
§ 610.32 - Test fleet selection.
§ 610.33 - Durability tests.
§ 610.34 - Special test conditions.
§ 610.35 - Driveability and performance tests.
Subpart D - General Vehicle Test Procedures
§ 610.40 - General.
§ 610.41 - Test configurations.
§ 610.42 - Fuel economy measurement.
§ 610.43 - Chassis dynamometer procedures.
Subpart E - Durability Test Procedures
§ 610.50 - Test configurations.
§ 610.51 - Mileage accumulation procedure.
§ 610.52 - Maintenance.
Subpart F - Special Test Procedures
§ 610.60 - Non-standard ambient conditions.
§ 610.61 - Engine dynamometer tests.
§ 610.62 - Driveability tests.
§ 610.63 - Performance tests.
§ 610.64 - Track test procedures.
§ 610.65 - Other test procedures.
Test Procedures and Evaluation Criteria