Maps and Data - Annual Vehicle Credits Earned and Used by Regulated Fleets
Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.
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108 results
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Vehicles: AFVs and HEVs
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AFV Acquisitions by Regulated Fleets (by Fleet Type)
Trend of S&FP AFV acquisitions by fleet type from 1992 to 2017 Last update November 2018
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AFV Acquisitions by Regulated Fleets (by Fuel Type)
Trend of S&FP AFV acquisitions by fuel type from 1992 to 2017 Last update January 2019
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AFV and HEV Model Offerings, by Manufacturer
Trend of AFV models produced by OEMs from 1991-2018 Last update December 2018
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Annual Vehicle Credits Earned and Used by Regulated Fleets
Trend of S&FP EPAct credits traded and transactions from 1997 to 2017 Last update February 2019
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Biodiesel Purchases by EPAct-Regulated Fleets
Trend of State and Fuel Provider Biodiesel Purchases from 1999 to 2017 Last update October 2018
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BioFuels Atlas
BioFuels Atlas is an interactive map for comparing biomass feedstocks and biofuels by location. This tool helps users select from and apply biomass data layers to a map, as well as query and download biofuels and feedstock data. The state zoom function summarizes state energy use and infrastructure for traditional and bioenergy power, fuels, and resources. The tool also calculates the biofuels potential for a given area. BioFuels Atlas was developed by the National Renewable Energy Laboratory with funding from the DOE Biomass Program.
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Clean Cities Alternative Fuel Vehicle Inventory
Alternative fuel vehicle inventory reported by Clean Cities coalitions from 2004 to 2017 Last update May 2019
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Clean Cities Energy Shifted by AFV Type
Trend of energy impact by fuels used in AFVs from 2004 to 2017 Last update May 2019
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EPAct State & Alternative Fuel Provider Fleet Exemptions
Trend of S&FP exemption requests and vehicles exempted from 1997 to 2017 Last update November 2018
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Light-Duty AFV, HEV, and Diesel Model Offerings, by Fuel Type
Trend of vehicle models capable of using various fuel types from 1991-2018 Last update January 2019
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TransAtlas
TransAtlas is an interactive map that uses a Google Maps interface to display: Existing and planned alternative fueling stations Alternative fuel production facilities Light-duty vehicle density Roads and political boundaries Users can customize the map display and print and query the underlying data. TransAtlas is part of a suite of geographic analysis tools for renewable energy developed at the National Renewable Energy Laboratory.
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Types of Vehicles by Weight Class
Last update June 2012
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U.S. HEV Sales by Model
Trend of sales by HEV models from 1999-2017 Last update December 2018
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U.S. Plug-in Electric Vehicle Sales by Model
Monthly Plug-in Electric Vehicle (PEV) sales by model from December 2010 to December 2017 Last update December 2018
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U.S. Transit Buses by Fuel Type
Trend of buses powered by various fuels in the U.S. from 2007-2015 Last update August 2016
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Vehicle Credits Traded by Regulated Fleets
Trend of S&FP EPAct credits traded and transactions from 1997 to 2017 Last update October 2018
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Vehicle Weight Classes & Categories
Last update June 2012
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Vehicles: Fuel Consumption and Efficiency
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Average Annual Fuel Use of Major Vehicle Categories
Comparison of fuel use (per vehicle) among vehicle types Last update December 2018
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Average Annual Vehicle Miles Traveled of Major Vehicle Categories
Comparison of miles traveled (per vehicle) among vehicle types Last update December 2018
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Average Fuel Economy at Different Road Grades
Trend of Fuel Economy and Consumption at different road grades, for various vehicle types Last update August 2014
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Average Fuel Economy of Major Vehicle Categories
Comparison of fuel economy among vehicle types Last update December 2018
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Average Per-Passenger Fuel Economy of Various Travel Modes
Comparison of per-passenger fuel economy for various modes of transportation. Last update November 2018
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Clean Cities Petroleum Saved by Fuel Economy and VMT Reduction
Trend of petroleum saved by fuel economy improvement and VMT reduction from 2004 to 2017 Last update May 2019
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Clean Cities Petroleum Saved by Idle Reduction
Trend of petroleum saved by idle reduction policies and technologies from 2004 to 2017 Last update May 2019
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Composition of New U.S. Light-Duty Vehicles by Vehicle Type
Shifting popularity of cars and trucks by year Last update June 2019
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Annual Vehicle Credits Earned and Used by Regulated Fleets
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | |
| Bankable Credits Earned | 3.201 | 2.994 | 4.398 | 2.01 | 2.652 | 2.938 | 2.307 | 2.85 | 3.84 | 4.665 | 7.862 | 5.156 | 5.126 | 8.097 | 7.714 | 9.727 | 9.805 | 10.33 | 9.386 | 8.915 |
| Banked Credits Used | 1.532 | 2.095 | 2.595 | 2.998 | 1.551 | 2.459 | 2.486 | 2.734 | 2.397 | 2.304 | 1.748 | 1.771 | 1.36 | 1.918 | 2.108 | 1.427 | 2.022 | 2.078 | 1.804 | 2.656 |
Source: National Renewable Energy Laboratory's EPAct State and Alternative Fuel Provider Fleet Task
Under the Energy Policy Act of 1992 (EPAct) and subsequent regulations, certain vehicle fleets operated by state agencies or alternative fuel providers are required to acquire alternative fuel vehicles (AFVs) as a fraction of their light-duty vehicle acquisitions. Covered fleets earn credits for acquiring AFVs, non-AFV electric vehicles, and investing in alternative fuel infrastructure, alternative fuel non-road equipment, or emerging technology. After satisfying their AFV-acquisition requirements, fleets also may earn AFV credits for acquiring medium- or heavy-duty AFVs and/or hybrid electric vehicles (HEVs) that are not AFVs. Fleets may earn credits in excess of their base requirement, and they may bank these credits for use in meeting future requirements or trade them to other fleets. This chart shows bankable credits earned and banked credits used each year.
To view more details, notes, and acronyms, please download the Excel spreadsheet.
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