Impact of Transmission Technologies on Fuel Efficiency to Support 2017-2025 CAFE Regulations

Paper #:
  • 2014-01-1082

Published:
  • 2014-04-01
DOI:
  • 10.4271/2014-01-1082
Citation:
Moawad, A. and Rousseau, A., "Impact of Transmission Technologies on Fuel Efficiency to Support 2017-2025 CAFE Regulations," SAE Technical Paper 2014-01-1082, 2014, https://doi.org/10.4271/2014-01-1082.
Pages:
12
Abstract:
Manufacturers have been considering various technology options to improve vehicle fuel economy. One of the most cost effective technology is related to advanced transmissions. To evaluate the benefits of transmission technologies and control to support the 2017-2025 CAFE regulations, a study was conducted to simulate many of the many types of transmissions: Automatic transmissions, Manual Transmission as well as Dual Clutch Transmissions including the most commonly used number of gears in each of the technologies (5-speeds, 6-speeds, and 8-speeds). Different vehicle classes were also analyzed in the study process: Compact, Midsize, Small SUV, Midsize SUV and Pickup. This paper will show the fuel displacement benefit of each advanced transmission across vehicle classes.
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