(625 ILCS 5/13-117)
A unit of local government within the affected
areas, including home rule units, shall not require or
conduct a diesel emission inspection program that does not meet or exceed the
standards of the diesel emission inspections provided for in
this Chapter 13. A unit of local government within the affected areas,
including home rule units, must affirmatively comply with the diesel emission
inspection requirements of this Chapter 13.
This Section is a limitation under subsection (i) of Section 6 of
Article VII of the Illinois Constitution on the concurrent exercise by home
units of powers and functions exercised by the State.
(Source: P.A. 91-254, eff. 7-1-00.)