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U.S. Department of Energy Energy Efficiency and Renewable Energy

Maps and Data

Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.

 
 
 

Incentive and Law Additions by Fuel/Technology Type

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Aftermarket Conversions [object Object] [object Object] [object Object] [object Object] [object Object] [object Object] [object Object] [object Object] [object Object] [object Object] 9
Biodiesel 28 35 25 37 74 97 59 57 43 39 16
Blends 6 8 9 18 30 51 26 [object Object] [object Object] [object Object] [object Object]
Efficiency 0 6 4 6 9 8 13 18 9 9 8
Emissions 6 8 12 4 23 16 16 [object Object] [object Object] [object Object] [object Object]
Ethanol 25 29 17 30 70 98 65 52 44 42 13
Electric Vehicles 24 34 21 26 40 32 28 50 51 64 49
Hybrid Electric Vehicles 4 8 10 15 19 18 24 33 33 47 38
Hydrogen 22 24 18 18 44 28 23 34 24 20 13
Idle Reduction 2 4 16 18 10 20 23 9 9 3
Natural Gas 28 38 16 23 45 32 27 40 43 34 38
Propane 27 27 14 21 30 27 22 33 20 25 18
Other 12 16 21 22 53 67 42 11 16 6 9