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Table 8. Relationships among Stakeholder or Customer
Needs, and Recommended Research Topics
Customer
Issue
Solution(s)
Barriers
Research
Topic(s)
maintain fuel
supply
supply
-reduce demand for
imported fuel through
greater use of domestic
and alternative supplies
imported fuel through
greater use of domestic
and alternative supplies
-improve thermal
efficiency of engine
efficiency of engine
-reduce mechanical and
parasitic losses
parasitic losses
-operation of fuel
systems on
alternative fuels
systems on
alternative fuels
-see Section E
-mechanical losses
(see E and G)
(see E and G)
-surface
modification
modification
-coatings,
lubricants, bench-
top tests, &
design codes
lubricants, bench-
top tests, &
design codes
-coatings,
lubricants, failure
mechanisms, &
design codes
lubricants, failure
mechanisms, &
design codes
A) General Public
maintain &
improve
environment
improve
environment
-combustion control to
lower NO
lower NO
x
& PM
-After-treatment to
lower NO
lower NO
x
-EGR
-high pressure fuel
system
system
-NO
x
catalysts
require low-S fuels
that have poor
lubricity
that have poor
lubricity
-degradation of
engine lubricants by
EGR gases &
particulates
engine lubricants by
EGR gases &
particulates
-surface
modification
modification
-surface
modification &
low-S, low-P
lubricants
modification &
low-S, low-P
lubricants
-new lubricants,
bench-top tests, &
surface
modification
bench-top tests, &
surface
modification
owning &
operating costs
operating costs
-improve vehicle
efficiency
efficiency
-engine efficiency
(see Section E)
(see Section E)
-surface
modification,
bench-top tests,
lubricants, &
design codes
modification,
bench-top tests,
lubricants, &
design codes
B) Fleet
Operators
Operators
maintenance costs
(oil change
interval)
(oil change
interval)
-more durable engine
lubricants with smart
lube sensors
lubricants with smart
lube sensors
-see Section H
-lubricants,
bench-top tests, &
failure
mechanisms
bench-top tests, &
failure
mechanisms