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Peterbilt Launches Model 320 Hydraulic Hybrid, Full Lineup of Natural Gas Powered Vehicles

Green Car Congress

Components of the Eaton heavy-duty hydraulic launch assist (HLA) system. The Eaton HLA system in the truck. This system reduces maintenance costs through regenerative braking and less wear and tear on the engine and transmission. Click to enlarge. Model 320 Hybrid. Click to enlarge.

Peterbilt 230