['Air Programs']
['Air Programs']
01/10/2025
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The HDIUC (Heavy-Duty In-Use Compliance Program) is a voluntary program that verifies the emissions compliance of families of engines. The HDVIP (Heavy-Duty Vehicle Inspection Program) is a roadside inspection program that determines if a specific vehicle is in compliance with the applicable emissions standards. When a vehicle is selected for an inspection under the HDVIP, participation is mandatory.
['Air Programs']
['Air Programs']
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