Proposed Rule for Alternative Fuel Conversions of Heavy-Duty Engines
Emissions Certification, Compliance and In-use Testing Requirements for On-highway Heavy Duty Engines and Vehicles Equipped with On-Board Diagnostics (PR for Alt Fuel Conversion of Heavy-duty Engines)
OMB: 2060-0287
IC ID: 193057
⚠️ Notice: This information collection may be referencing outdated material. More recent filings for OMB 2060-0287 can be found here: