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Wal-Mart Testing Two Different Hybrid Systems and Three Alt Fuels on Class 8 Trucks

Green Car Congress

will test two hybrid systems—one developed by ArvinMeritor and one developed by Eaton and Peterbilt—in Class 8 trucks. In addition to its work at highway speeds, the engine also charges an onboard energy storage system, which provides power to the electric motor when demand is high. Peterbilt/Eaton Hybrid Assist.

Peterbilt 150
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Walmart showcases WAVE tractor-trailer at MATS; micro-turbine range extended electric vehicle with 45.5 kWh Li-ion pack

Green Car Congress

The prototype is the result of collaboration between Walmart and many vendors, including Peterbilt, Roush Engineering, Great Dane Trailers and Capstone Turbine. Range extending hybrids are a synergy between electric trucks and series hybrids, and their design reduces the energy storage size required for trucks to run on batteries alone.

Li-ion 371