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Waste-Heat Recovery: The phase-change method of recovering waste
heat that is being studied by DOD looks interesting and would be
worth following.
Thermoelectric Converters for Waste-Heat Recovery: While offering
the potential for energy savings, the cost and weight impact should be
Heat Storage: As above, the cost and weight impact of any proposed
system for storing heat for cab climate control during the off cycle
would have to be determined.
Several other topics were not recommended for DOE research, either because they are
mature or the industry is making satisfactory progress on its own.
Controls: Advances in control technology are being made by the
OEMs, as needed. This is not an issue for component manufacturers.
Thermostats: This subject falls within the area of controls.
Electric Drives: This is important but is considered a subset of
variable-speed drives.
Compressors: Compressors tied to the engine with belts or gears are
considered mature and not in need of research. Variable-speed
electrically driven compressors were included in the first item above.
Sensors: This topic is considered part of controls.
Fan Clutches: This is considered mature technology.
CMMS Fleet Maintenance Software for Fleet, Vehicle, & Equipment Maintenance

This Information is Reprinted From U.S. DEPARTMENT OF COMMERCE
Technology Administration
National Institute of Standards and Technology
Manufacturing Engineering Laboratory
Factory Automation Systems Division
Gaithersburg, MD 20899