Systematic Development of Hybrid Systems for Commercial Vehicles

Carsten Kaup; Thomas Pels; Peter Ebner; Raimund Ellinger; Kurt Gschweitl; Engelbert Loibner; Richard Schneider; Lukas Walter

doi:10.4271/2011-28-0064

The reduction of CO₂ emissions represents a major goal of governments worldwide. In developed countries, approximately 20% of the CO₂ emissions originate from transport, one third of this from commercial vehicles. CO₂ emission legislation is in place for passenger cars in a number of major markets. For commercial vehicles such legislation was also already partly published or is under discussion.

Furthermore the commercial vehicles market is very cost sensitive. Thus the major share of fuel cost in the total cost of ownership of commercial vehicles was already in the past a major driver for the development of efficient drivetrain solutions.

These aspects make the use of new powertrain technologies, specifically hybridization, mandatory for future commercial powertrains.

While some technologies offer a greater potential for CO₂ reduction than others, they might not represent the overall optimum with regard to the total cost of ownership. Additionally, the real-life benefit may vary depending on external influences such as driving style, typical route characteristics, etc.

The paper presents a systematic and structured process to find the optimal powertrain configuration for this segment.

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Systematic Development of Hybrid Systems for Commercial Vehicles 2011-28-0064

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