| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | |
| Ethanol (E85) | 1 | 1 | 5 | 6 | 14 | 14 | 21 | 25 | 31 | 34 | 33 | 45 | 30 | 41 | 41 | 48 | 49 | 57 | 57 | 56 | 44 | 36 | 29 | 30 | 23 | 17 | 17 | 14 | 9 | 5 |
| CNG (Dedicated and Bi-Fuel) | 3 | 8 | 9 | 11 | 13 | 13 | 14 | 14 | 13 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 2 | 6 | 6 | 7 | 6 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Diesel | 23 | 22 | 19 | 22 | 12 | 14 | 16 | 15 | 16 | 26 | 26 | 23 | 22 | 25 | 29 | 27 | 29 | 35 | 44 | 50 | 55 | 32 | 35 | 42 | 26 | 30 | 21 | 17 | 15 | 8 |
| Electricity(PHEV) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 5 | 6 | 11 | 24 | 28 | 28 | 34 | 42 | 51 | 39 | 36 | 52 | 54 | 32 |
| Electricity (BEV) | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 2 | 20 | 22 | 10 | 30 | 27 | 33 | 34 | 17 | 22 | 19 | 21 | 32 | 41 | 61 | 44 |
| Hybrid Electric Vehicle | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 3 | 3 | 6 | 9 | 12 | 17 | 20 | 33 | 45 | 45 | 48 | 56 | 57 | 48 | 50 | 52 | 50 | 58 | 55 | 36 | 34 | 41 | 26 |
| Biodiesel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 6 | 6 | 6 | 13 | 16 | 14 | 14 | 9 | 16 | 6 | 6 |
| Hydrogen Fuel Cell | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 1 | 2 |
Source: Derived by NLR using NHTSA Vehicle Product Information Catalog (vPIC) and registration counts from Experian Solutions. (https://vpic.nhtsa.dot.gov/)
Notes: “Electricity" includes both all-electric vehicles and PHEVs but does not include neighborhood electric vehicles, low-speed electric vehicles, or two-wheeled electric vehicles. Only full-sized vehicles sold in the United States and capable of 60 mph are listed.
To view more details, notes, and acronyms, please download the Excel spreadsheet.