Abstract
Southern California Edison Company (SCE) has shown a commitment to deploying vehicles in its fleet that meet or exceed emissions standards, emit lower greenhouse gases, and reduce use of petroleum. This has been best demonstrated by operating the nation's largest electric vehicle utility fleet to conduct daily business, as well as demonstrations of hydrogen, fuel cell, and hybrid vehicles. SCE has also for many years been evaluating heavy-duty hybrid technology for use in its fleet. Heavy duty vehicles use a large amount of fuel, and thus even a small percentage savings is significant in terms of total amount of fuel displaced. SCE's fleet uses millions of gallons of fuel per year, much of that being used to run trucks. In addition, the purchase price premium associated with hybrid vehicles is potentially much lower on a percentage basis than with light-duty vehicles. Recently, SCE took part in a national consortium to specify and order a limited number of prototype Class 6 hybrid-electric utility trucks. In conjunction, SCE developed extensive test and evaluation procedures using sophisticated methods and equipment. SCE received its truck in December of 2006. This paper will detail SCE's evaluation procedures and philosophies and give some details on preliminary experiences.
Highlights
Southern California Edison (SCE) and its Electric Transportation Department have a history of working with partners and with other stakeholders to support and advance the use of electric-drive vehicles (EVs)
The second component of the test process is a period of accelerated driving schedules to evaluate the reliability of the vehicle
Determine the electrical equivalent by recording the AC grid energy used to recharge the battery after each driving test and converting to a fuel equivalent based on the SAE J2711 procedure, as described in the energy
Summary
Southern California Edison (SCE) and its Electric Transportation Department have a history of working with partners and with other stakeholders to support and advance the use of electric-drive vehicles (EVs). The acquisition of fifteen G-vans began SCE’s initial electric vehicle fleet in the modern era, as did the formation of its Electric Transportation Department (ET). This department, one of the first in the nation of its kind, brought together engineers, scientists, and regulatory specialists in electric vehicles, buses and trains, battery systems, renewable energy production, and electric utility infrastructure.
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