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

Vehicle Technologies Program

Fact #113: January 24, 2000
Fuel Conservation Equipment on Medium and Heavy Trucks: 1992-1997

Between 1992 and 1997, the number of medium and heavy trucks (>10,000 lb GVW) in operation increased 10.8%. Over the same period, the number of trucks incorporating fuel conservation equipment increased 25-48%.

Graph showing fuel conservation equipment on medium and heavy trucks, 1992-1997

Supporting Information

Fuel Conservation Equipment on Medium and Heavy Trucks: 1992-1997
Fuel Conservation Equipment % Change
Aerodynamic Features 48.1%
Fuel Economy Engine 34.9%
Variable Fan Drives 30.4%
Road Speed Governors 27.6%
Other Fuel Conservation Devices 27.3%
Axle or Drive Ratio 26.1%
Radial Tires 25.0%

Note: The number of medium and heavy trucks (>10,000 lb GVW) in operation during this period increased 10.8%.
Source: U.S. Census Bureau, 1997 Vehicle Use and Inventory Survey, October 1999

Return to Favorite Facts of the Week