Propane Vehicles

Propane, also known as liquefied petroleum gas or LPG, is considered an alternative fuel under the Energy Policy Act of 1992. There are more than 270,000 on-road propane vehicles in the United States and more than 10 million worldwide. Many are used in fleets, including light- and heavy-duty trucks, buses, taxicabs, police cars, and rental and delivery vehicles.

The availability of new light-duty original equipment manufacturer propane vehicles has declined in recent years. However, certified installers can economically and reliably retrofit many light-duty vehicles for propane operation. Propane engines and fueling systems are also available for heavy-duty vehicles such as school buses and street sweepers.

This page serves as a table of contents for the Propane Vehicles section. To learn about these alternative fuel vehicles, choose from the links below.

What is a Propane Vehicle? 

Learn about propane vehicles and how they work.

Vehicle Availability 

Learn about propane vehicle availability and conversions.

Emissions 

Select Propane Vehicle Publications

• Propane Technology Review 2006 (PDF 840 KB) Download Adobe Reader.
• Knoxville Area Transit: Propane Hybrid Electric Trolleys (PDF 343 KB) Download Adobe Reader.
• Liquefied Petroleum Gas: Fueling Vehicles Around the World (PDF 505 KB) Download Adobe Reader.