Section 102-34.40 - Who must comply with motor vehicle fuel efficiency requirements?(a) Executive agencies operating domestic fleets must comply with motor vehicle fuel efficiency requirements for such fleets.(b) This subpart does not apply to motor vehicles exempted by law or other regulations, such as law enforcement or emergency rescue work and foreign fleets. Other Federal agencies are encouraged to comply so that maximum energy conservation benefits may be realized in obtaining, operating, and managing Government motor vehicles.