Clean Cities Energy Shifted by Alternative Fuel Vehicle Type

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
CNG 88.8 56 81 102 104 85.39756598774 140.639750788926 167.32500090109 191 231 293 401.960513 429.987053963053 426.318935346672 410.838932359052
Biodiesel 21.4 47 63.2 61 74 38.976619934563 28.520535473764 69.569124655012 59 61 59 77.516645 101.610631116561 93.774211532389 116.160361171739
E85 16.3 26 45 37 37 72.782845279809 38.57599089271499 49.009439227048 38 48 51 67.802986 71.18559914234699 86.329817691757 70.999215209997
LNG 0 8 15.7 9 14 11.938719867465 23.419107788602 27.752052240664 21 22 34 53.364901 45.19919701296 47.108725561875 51.693796451046
Propane 39.4 32 42 30 25 18.228815452377 18.259948864866 19.017091551984 27 27 32 36.947498 45.49738144944601 44.428882259001 52.384221072108
Electric 3 2 5 5 4 29.35438018214 9 15.525042870543 12 20 27 33.256536 40.709187818852 26.312029314231 44.981593181569
RNG 0 0 0 0 0 0 0 0 0 0 0.7 1.254535 7.459188349601001 13.036133356623 16.085052851034
Hydrogen 0 0.05 0.09 0.12 0.07 0.048755537688 0.03 0.288231374441 0.14 0.33 0.32 0.622438 0.43718225814999995 0.29504611817 1.853781751096
Source: Clean Cities coalitions annual activity reports
Notes: Shifted from conventional fuels to clean, domestic, economic alternatives or saved through efficiency improvements. Measured in gasoline gallon equivalents (GGEs), representing a quantity of fuel with the same amount of energy contained in a gallon of gasoline.
This chart shows the annual energy impact of Clean Cities coalition activities through various types of alternative fuel vehicles.

To view more details, notes, and acronyms, please download the Excel spreadsheet.