Annual Certification Data for Vehicles, Engines, and Equipment

As part of the certification process, data is generated to demonstrate compliance with federal regulations. The data provided below represents information that is most commonly requested. Within each industry, data is separated into current and archived legacy files. The data on this page is updated on quarterly basis.

Heavy-Duty Evaporative Components

• Heavy-Duty Evaporative Components Certification Data (Model Years: 2016 – Present) (xlsx) (59.65 KB, August 2024)

Note: Due to a transition between database systems, a small portion of the MY2015 and 2016 data is in the Archive files.

• Heavy-Duty Highway Gasoline and Diesel Certification Data (Model Years: 2015 – Present) (xlsx) (24.66 MB, August 2024)
• Archive (Model Years: 1982 – 2016) (zip) (November 2018)

• Heavy-Duty Vehicle Certification Data (Model Years: 2015 – Present) (xlsx) (19.13 MB, August 2024)

• Large NRSI Engine Certification Data (Model Years: 2011 – Present) (xlsx) (3.77 MB, August 2024)
• Archive (Model Years: 2004 – 2011) (zip) (159.33 KB, February 2018)

• Certified Vehicle Test Results Report Data (Model Years: 2014 – Present) (xlsx) (77.76 MB, August 2024)
• Certified Vehicle Test Results Report Data–Only Evaporative (Model Years: 2014 – Present) (xlsx) (9.16 MB, August 2024)
• Certified Vehicle Models (Model Years: 2014 – Present) (xlsx) (1.16 MB, August 2024)
• Archive (Model Years: 1979 – 2013) (zip) (83.96 MB, February 2018)

• Locomotive CI Engine Certification Data (Model Years: 2007 – Present) (xlsx) (897.12 KB, August 2024)
• Archive (Model Years: 2002 – 2009) (xlsx) (45.92 KB, February 2018)

• Marine CI Engine Certification Data (Model Years: 2000-Present (xlsx) (3.85 MB, August 2024)
• Archive – Models and Parts Info (Model Years: 2000 – 2015) (xlsx) (2.33 MB, May 2018)

• Marine SI Engine Certification Data (Model Years: 2011 – Present) (xlsx) (1.11 MB, August 2024)
• Archive (Model Years: 1998 – 2011) (xlsx) (5.75 MB, February 2018)

• Certified Off-Road Motorcycle, All-Terrain, Utility, and Recreational Vehicle Test Results Report Data (Model Years: 2006 – Present) (xlsx) (2.11 MB, August 2024)
• Certified Highway Motorcycle Test Results Report Data (Model Years: 2006 – Present) (xlsx) (2.17 MB, August 2024)
• Certified Electric Motorcycle Test Results Report Data (Model Years: 2015 – Present) (xlsx) (59.61 KB, August 2024)
• Archive (Model Years: 1982 – 2007) (zip) (226.54 KB, February 2018)

• NCRI Certification Data (Model Years: 2011-Present) (xlsx) (11.74 MB, August 2024)
• Archive (Model Years: 1996 – 2011) (xlsx) (24.09 MB, April 2018)

• Nonroad Evaporative Components Certification Data (Model Years: 2011 – Present) (xlsx) (770.04 KB, August 2024)
• Archive (Model Years: 2009 – 2010) (xlsx) (3.57 MB, February 2018)

• Portable Fuel Container Certification Data (Model Years: 2016 – Present) (xlsx) (53.26 KB, August 2024)

• Small NRSI Engine Certification Data (Model years: 2011 – Present) (xlsx) (6.86 MB, August 2024)
• Archive (Model Years: 1997 – 2011) (zip) (13.67 MB, February 2018)

• Snowmobile SI Engine Certification Data (Model Years: 2015 – Present) (xlsx) (111.11 KB, August 2024)
• Archive (Model Years: 2004 – 2016) (xlsx) (845.31 KB, February 2018)

• Compliance & Fuel Economy Data Home
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• Fuel Economy Data on Cars
• Fuel Economy Reports
• Fuel Economy Guide Data