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Kenworth and Peterbilt introduce more fuel-efficient Class 8 trucks

Green Car Congress

Kenworth T680 Advantage. At the Mid-America Trucking show, PACCAR companies Kenworth and Peterbilt introduced more fuel efficient version of their heavy-duty models: the Kenworth T680 Advantage and the Peterbilt Model 579 with EPIQ package. —Kevin Baney, Kenworth chief engineer. Kenworth T680 Advantage.

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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.

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