| 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
| Truckstop Electrification | 2.6 | 3.5 | 1.2 | 1.8 | 1.3 | 2.6 | 1.9 | 2.5 | 3.3 | 3 | 2.9 | 3.1 | 3.4 | 2.666326329324 | 2.77185 | 1.928505 | 1.567148 | 0.830756 | 1.267931306704 | 0.46374099972 |
| On-Board IR and Policies | 9.4 | 6.3 | 7.2 | 4.2 | 6.4 | 12.1 | 23.2 | 29.7 | 27.8 | 26.5 | 35 | 33.6 | 35.5 | 41.574246844545 | 40.08823 | 45.508895 | 42.545393 | 40.371812 | 49.213146072594 | 58.407571392529 |
Source: Clean Cities and Communities partnership annual activity reports
Notes: Savings are measured in gasoline gallon equivalents (GGEs), representing a quantity of fuel with the same amount of energy contained in a gallon of gasoline.
To view more details, notes, and acronyms, please download the Excel spreadsheet.