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Hybrid trucks strut on Capitol Hill

We often fret over our own gas mileage and that of our neighbors' cars, but how often do we stop to think about the commercial trucking industry's impact on the environment?

FedEx Express announced in November 2008 a plan to purchase vehicles that combine Azure Dynamics' hybrid system with a Ford gasoline engine and chassis. The company now claims to be one of the first to use gasoline hybrid-electric delivery trucks for commercial use.

Peterbilt began offering four hybrid models of commercial trucks in 2008.

UPS has begun using hybrid trucks containing Eaton's energy-saving Series Hybrid Hydraulic System … Read more

The 18-wheeler hybrid

Kenworth announced its T270 Class 6 hybrid-electric truck at the Mid-America Trucking Show last week. The base for Kenworth's hybrid system is its Paccar PX-6 diesel engine, launched last year. This 6.7-liter engine was already designed for efficiency, giving the best power-to-weight ratio in its class. The hybrid system adds a motor/generator integrated with the transmission and a 340-volt battery pack. The electric motor combines with the diesel engine to drive the wheels at speeds below 30mph, while above that speed, it's all up to the engine. Kenworth estimates a 30 percent fuel savings during start … Read more