44 Ill. Adm. Code 1300.4540
Gas Mileage
Section 1300
Section 1300.4540 Gas
Mileage
a) Vehicle specifications shall require compliance with minimum
gas mileage requirements established in Section 45-40 of the Code.
b) Requests for exceptions must be approved by the CPO. Requests
must fully describe the circumstances necessitating a non-compliant vehicle.
c) No exception will be granted unless it is clear from the
request that a non-compliant vehicle is necessary in order to carry out the
functions of the OAG.