44 Ill. Adm. Code 1120.4540
Gas Mileage
Section 1120
Section 1120.4540 Gas
Mileage
a) Vehicle specifications shall require compliance with minimum
gas mileage requirements established in Section 45-40 of the Code.
b) Exceptions must be approved by the CPO and must fully describe
the circumstances necessitating a noncompliant vehicle.
c) No exceptions will be granted unless it is clear that a
noncompliant vehicle is necessary.