• § 86.501-78 - Applicability.

• § 86.502-78 - Definitions.

• § 86.503-78 - Abbreviations.

• § 86.504-78 - Section numbering.

• § 86.505-2004 - Introduction; structure of subpart.

• § 86.508-78 - Dynamometer.

• § 86.509-90 - Exhaust gas sampling system.

• § 86.511-90 - Exhaust gas analytical system.

• § 86.513 - Fuel and engine lubricant specifications.

• § 86.514-78 - Analytical gases.

• § 86.515-78 - EPA urban dynamometer driving schedule.

• § 86.516-90 - Calibrations, frequency and overview.

• § 86.518-78 - Dynamometer calibration.

• § 86.519-90 - Constant volume sampler calibration.

• § 86.521-90 - Hydrocarbon analyzer calibration.

• § 86.522-78 - Carbon monoxide analyzer calibration.

• § 86.523-78 - Oxides of nitrogen analyzer calibration.

• § 86.524-78 - Carbon dioxide analyzer calibration.

• § 86.526-90 - Calibration of other equipment.

• § 86.527-90 - Test procedures, overview.

• § 86.528-78 - Transmissions.

• § 86.529-98 - Road load force and inertia weight determination.

• § 86.530-78 - Test sequence, general requirements.

• § 86.531-78 - Vehicle preparation.

• § 86.532-78 - Vehicle preconditioning.

• § 86.535-90 - Dynamometer procedure.

• § 86.536-78 - Engine starting and restarting.

• § 86.537-90 - Dynamometer test runs.

• § 86.540-90 - Exhaust sample analysis.

• § 86.542-90 - Records required.

• § 86.544-90 - Calculations; exhaust emissions.

• §§ 86.545-86.599 - §[Reserved]