Information Collection List

IC Title Status Responses Hours Dollars Document Type Form No. Form Name
Emissions Certification, Compliance and In-Use Testing Requriements for On-Highway Heavy Duty Engines and Vehicles Equipped with On-Board Diagnostics (Amendment) Modified 12 2484 120000
Information Requirements for Nonroad and On-Highway Heavy-Duty Engines: Certification and Compliance Provisions Modified 1058 170124 7086251
Proposed Rule for Alternative Fuel Conversions of Heavy-Duty Engines New 31 1575 619023
Total burden requested under this ICR: 1101 174183 7825274  
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