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Westport unveils next-generation High Pressure Direct Injection (HPDI 2.0) natural gas system for HD trucks

Green Car Congress

Westport HPDI engines operate at similar engine temperatures as diesel engines, reducing cooling challenges and reducing stress related reliability and durability challenges for other SI-based engine systems including turbochargers and exhaust treatment systems. New sealing designed for longer durability. Westport designed HPDI 2.0

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