Freightliner LLC, Navistar International Corp., Kenowrth Truck Co., and Peterbilt Motors are developing or producing larger hybrid diesel-electric trucks. They are expensive but save 30-60% on fuel costs, depending on how they are used. The technology makes sense for delivery and garbage trucks, buses and other stop-and-go vehicles. Hybrid utility vehicles and others that need auxiliary power also can save on fuel.
In Vermont, Casella Waste Systems and Central Vermont Public Service pioneers.
[Source: Arizona Republic]
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