 AUSTIN, Texas--BUSINESS WIRE--Hyliion Holdings Corp. NYSE: HYLN Hyliion, a leader in electrified powertrain solutions for Class 8 semi-trucks, today announced positive initial results from a truck loan program launched in conjunction with Portland-based natural gas provider, NW Natural, which featured Hyliions Hybrid CNG solution. As part of the program, Hyliion collaborated with NW Natural to equip a Freightliner Cascadia day cab with their Hybrid compressed natural gas CNG solution 