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April 23, 2008 – Vol.13 No.5 American Electric Power Orders 18 Additional Hybrid Trucks. The addition of 18 International DuraStar Hybrids will bring the total number of hybrid utility trucks in AEP’s fleet to 22 – giving AEP the largest fleet of diesel hybrid utility trucks in the country. The trucks are expected to be delivered this summer, of which 13 will operate in Indiana Michigan Power’s fleet. AEP has nearly 1,500 International trucks in its fleet. International (tm) DuraStar (tm) Hybrid trucks have fuel savings of nearly 60 percent in utility-type applications when the engine can be shut off, but electric power still operates the vehicle. Diesel emissions are completely eliminated when the hybrid truck operates equipment (like overhead utility booms) solely on the truck’s battery power – for up to two hours – instead of requiring the engine to run. The engine-off option during worksite operations further reduces noise, emissions and fuel costs. International DuraStar Hybrid trucks employ a parallel-type, diesel-electric hybrid architecture that is supplied by Eaton Corporation. It incorporates an electric motor/generator between the output of an automated clutch and input of the automated transmission. The system recovers energy normally lost during braking and stores the energy in batteries. The hybrid-electric system recovers energy during braking, and can add power back into the driveline during start and acceleration.
The Hybrid Truck Users Forum estimates that 1,000-1,500 gallons of fuel can be saved per utility truck annually. At today’s high diesel prices, that equates to a savings of $4,000-$6,000 in fuel per truck annually. It also results in annual greenhouse gas reductions of 11 to 16.5 tons of carbon dioxide per unit. AEP expects to save $72,000-$108,000 in fuel costs and eliminate 200 to 300 tons of carbon dioxide emissions over a one-year period with this order of 18 trucks. American Electric Power is one of the largest electric utilities in the United States, delivering electricity to more than 5 million customers in 11 states. International is a brand of Navistar International Corporation which is a holding company whose wholly owned subsidiaries produce International (tm) brand commercial and military trucks, MaxxForce (tm) brand diesel engines, IC brand school and commercial buses, and Workhorse brand chassis for motor homes and step vans. (4/23/08)
Links: International Trucks – Hybrids Navistar International Eaton Corporation WestStart-CALSTART – Hybrid Truck Users Forum
Related: Eaton Diesel-electric Hybrid Power Systems for 207 Buses in Guangzhou, China.
Disclaimer, Forward-Looking or Safe Harbor Statement on original press release: No
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