DOE Project on Heavy Vehicle Aerodynamic Drag
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Class 8 tractor-trailers consume 11-12% of the total US petroleum use. At highway speeds, 65% of the energy expenditure for a Class 8 truck is used in overcoming aerodynamic drag. The project objective is to improve the fuel economy of Class 8 tractor-trailers by providing guidance on methods for reducing drag by at least 25%. This reduction in drag would represent a 12% improvement in fuel economy at highway speeds, equivalent to about 130 midsize tanker ships per year.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC52-07NA27344; W-7405-ENG-48; W-31109-ENG-38
- OSTI ID:
- 1130041
- Report Number(s):
- LLNL--TR-420433
- Country of Publication:
- United States
- Language:
- English
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