Vehicle Availability

There are many natural gas vehicle options available from several original equipment manufacturers (OEM). These vehicles can be purchased from the dealership through a process that has been streamlined for the customer. Many other medium- and heavy-duty vehicle options are available through small vehicle modifiers (SVM). These companies manufacture conversion systems that have been certified and approved by the U.S. Environmental Protection Agency and/or the California Air Resources Board. These approved systems can be installed on new and used vehicles to run on natural gas.

The engines driving NGVs

Cummins Westport currently offers the B6.7N, L9N and the ISX12N natural gas engines. These spark-ignited engines are used in a variety of applications, including refuse trucks, transit buses, cement trucks, short- and regional-haul tractors, delivery trucks, school buses, and shuttles.

The ISX12N 11.9L 400 HP natural gas engine has opened the door for many companies to make the transition to natural gas. The ISX12N will be available with Near-Zero technology in 2018, offering a 90% NOx reduction over the current NOx standard.

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Manufacturers & Modifiers

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    Fleet emissions calculator

    Compare emissions of commercially-available alternative fuel medium- and heavy-duty vehicles with the Heavy-Duty Vehicle Emissions Calculator (HDVEC) tool. Developed by the U.S. Department of Energy’s Argonne National Laboratory using its AFLEET Tool 2017, this online resource aids fleet managers and decision makers in comparing vehicle emission reduction options in order to maximize their state’s VW funding investment.

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