The Authority is expressly made the beneficiary of the provisions of Section 1 of the Local Government Antitrust Exemption Act, and the General Assembly intends that the "State action exemption" to the application of the federal antitrust laws be fully available to the Authority to the extent its activities are either (1) expressly or by necessary implication authorized by this Article or other Illinois law or (2) within traditional areas of local governmental activity.
70 ILCS 200/2-145