Westport Unveils H2 HPDI System for Internal Combustion Truck Engines
(Westport Fuel Systems/NGV Journal) Westport Fuel Systems Inc. revealed their H2 HPDI (high pressure direct injection) fuel system in a demonstrator truck. Westport’s HPDI™ fuel system technology enables heavy-duty trucks to operate on (renewable) natural gas with the same power, torque,