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Altronic GTI Bi-Fuel Product Line Attains CARB Certification

Receives aftermarket CARB certification for off-road compression-ignition engines in stationary applications.


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Altronic has received CARB certification for its entire GTI Bi-Fuel product line, including the GTI+, pictured here.

Altronic’s GTI Bi-Fuel product line has received aftermarket certification from the Air Resources Board of the state of California Environmental Protection Agency (CARB) for use on off-road compression-ignition engines in stationary applications. 

The GTI Bi-Fuel system is designed to allow diesel engines to operate on a blend of diesel and gaseous fuels. According to Altronic, the GTI Bi-Fuel system enables engines to operate on gas percentages up to a maximum of 70% of the total fuel requirement, subject to gas quality and other application conditions.

The GTI Bi-Fuel system combines natural gas and air in the intake system of the engine. This mixture is then fed into the combustion chamber by the intake pipe and ignited as soon as a small quantity of diesel fuel, now functioning as an ignition source, is injected into the combustion chamber. Since the GTI Bi-Fuel system uses existing air inlet and diesel injection systems, no modifications to the engine are required for installation.

Altronic offers the GTI Bi-Fuel system as a standard kit for engines with an output of up to 3000 kilowatts.

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