(2008). Regulations requiring onboard diagnostic systems on 2010 and later heavy-duty engines used in highway vehicles over 14,000 pounds: Revisions to onboard diagnostic requirements for diesel highway vehicles under 14,000 pounds : summary and analysis of comments. Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationRegulations Requiring Onboard Diagnostic Systems on 2010 and Later Heavy-duty Engines Used in Highway Vehicles over 14,000 Pounds: Revisions to Onboard Diagnostic Requirements for Diesel Highway Vehicles Under 14,000 Pounds : Summary and Analysis of Comments. [Washington, D.C.]: Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency, 2008.
MLA (9th ed.) CitationRegulations Requiring Onboard Diagnostic Systems on 2010 and Later Heavy-duty Engines Used in Highway Vehicles over 14,000 Pounds: Revisions to Onboard Diagnostic Requirements for Diesel Highway Vehicles Under 14,000 Pounds : Summary and Analysis of Comments. Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency, 2008.