Hiller Truck will be installing 1 CNG dual fuel system on an “Off Road” C15L CAT engine running an air compressor and then a 2nd CNG dual fuel system on a “On Road” 2018 F/liner with DD15 Detroit. Hiller Trucker will then be optimizing combustion by removing up to 60% diesel, and replacing it with clean burning fuel, natural gas, and or renewable natural gas thus reducing emissions by up to 90% when using Renewable Natural Gas (RNG).









