Vehicles

Analyzing data and tracking trends helps determine current and potential demand for alternative fuels and provides insight into fuels and technologies that are favored over time. This page lists data identifying trends in flexible fuel vehicles, fuel efficiency, and how fleets are using alternative fuel vehicles (AFVs).

The following tables feature Excel data files that can be downloaded, saved, and manipulated for individual research. Some of the documents on this page are in PDF format and may be viewed using the Adobe Reader. Download Adobe Reader.

Alternative Fuel Vehicles and Hybrid Electric Vehicles (HEVs)

Description	File
Onroad AFVs Made Available Trend of AFVs capable of using various fuels that were sold, leased, or converted from 1998-2006	(Excel 27 KB)
AFVs in Use Trend of the number of AFVs in use by fuel type from 1992-2006	(Excel 25 KB)
Light-Duty E85 FFVs in Use Trend of total FFVs in use from 1998-2008, based on FFV production rates and life expectancy	(Excel 22 KB)
HEV Sales by Model Trend of sales by HEV models from 1999-2007	(Excel 27 KB)
New Buses Built by Fuel Type Trend of buses produced in the U.S. by fuel type from 2002-2007	(Excel 27 KB)
AFV/HEV/Diesel Light-Duty Model Offerings by Fuel Type Trend of vehicle models capable of using various fuel types from 1991-2008	(Excel 39 KB)
Number of AFV/HEV Models Manufactured by Original Equipment Manufacturers (OEMs) Trend of AFV models produced by OEMs from 1991-2008	(Excel 19 KB)

Efficiency and Fleet

Trends

Description	File
Efficiency, Power, and Composition of U.S. Light-Duty Vehicles Trend of horsepower, fuel efficiency, and fleet composition by weight categories in U.S. light-duty vehicles from 1975-2007	(Excel 27 KB)
Light-Duty Vehicles Sold in the U.S. Trend in the number and types of light-duty vehicles being sold in the U.S. from 1975-2007	(Excel 33 KB)
U.S. Light-Duty Fuel Consumption and Vehicle-Miles Traveled (VMT) Trend of per capita VMT and fuel use in U.S. light-duty vehicles from 1970-2005	(Excel 31 KB)
Monthly and Moving 12-Month Counts of Vehicle-Miles Traveled in the U.S. Trend of Vehicle-Miles Traveled in the U.S. from 1970-2008	(Excel 87 KB)
Vehicle Fuel Efficiency at Various Driving Speeds Trend of fuel efficiency at different speeds, grouped by vehicle age	(Excel 25 KB)

Analysis

Description	File
Light-Duty Automotive Technology and Fuel Economy Analysis of U.S. light-duty vehicle fuel economy, horsepower, speed, and size	(PDF 1.1 MB)
New York City Transit (NYCT) Hybrid and Compressed Natural Gas (CNG) Transit Buses Analysis of CNG and hybrid bus fuel economy, maintenance costs, and reliability in the NYCT fleet	(PDF 1.1 MB)
100,000-Mile Evaluation of Transit Buses Operated on B20 Analysis of B20 bus fuel economy, maintenance cost, reliability, and emissions in the Regional Transportation District fleet in Boulder, Colo.	(PDF 497 KB)

For more information about the data, analysis, and trends presented on these pages, please contact Caley Johnson at the National Renewable Energy Laboratory.