Idle Reduction
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Transcript Idle Reduction
1
Objectives
Describe why idle reduction strategies and
technologies must be considered
Describe how idle reduction benefits health
and the environment
Explain the economic benefits of idle
reductions
Describe what energy security is and how idle
reduction can be used to help attain it
Explain some suggested actions to utilize idle
reduction practices
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Why Consider Idle Reduction?
Petroleum and emissions reduction
strategy
Idle = speed at which ICEs rotate under
no throttle or load
Tachometer displays engine speed
Smooth engine operation for vehicle
acceleration from stop and adequate oil
pressure
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Transportation and convenience idling
Technologies, policies, practices to reduce
engine idle time
Strategies and technologies to reduce both
transportation and convenience idling
Figure 1: The engine tachometer showing a vehicle’s idle speed. Source: NAFTC.
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Manufacturers
Light-duty CAFE fuel economy and EPA
emissions regulations
Light-, medium-, and heavy-duty EPA emissions
Mild hybrid systems
Idle shutoff function
Advanced engine technologies
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Consumers
Purchase vehicles with idle reduction
technologies
Modify driving habits
Plan trips to avoid traffic
Consult the owner’s manual for optimal
vehicle operation
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Advantages of Idle Reduction
Reduced fuel consumption
Fewer vehicle emissions
Lower operating costs
Increased engine life
No-cost implementation
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Additional Points to Consider
Possible capital investment
Personal convenience may be compromised
Be aware of local idling laws
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Benefits of Idle Reduction
Health and environmental rewards
Reduced fuel costs
Reduced dependence on foreign oil
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Health Benefits
Combustion of fuels produces harmful
emissions
Creation of PM and NOx
Respiratory and cardiovascular
complications
Idle reduction reduces vehicle emissions
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Environmental Benefits
Emissions negatively affect the
environment
GHG formation, climate change
Idle reduction = reduced emissions
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Economic Benefits
Excessive idling = unnecessary financial
loss
Industry opportunity for implementation
of idle reduction technologies
Reduced consumption = financial benefit
for all drivers
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Energy Security Benefits
Reduced idling = reduced fuel
consumption
Reduced fuel consumption = reduced
reliance on foreign oil
Nearly half of all petroleum used in the
U.S. is imported
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Idle Reduction – Today and Tomorrow
EPA standards for fuel economy and
emissions
More stringent standards = more
sophisticated technologies
Light-, medium-, and heavy-duty
applications
Idle reduction strategies
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The Future of Idle Reduction
CAFE standards for light-duty vehicles
EPA-enforced regulations for all vehicles
Standard idle reduction technologies and
features
Individualized actions and practice
implementation
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Suggested Actions
Know and practice vehicle manufacturer
suggested operating procedures
Plan trips to avoid sitting in traffic
Turn off the engine if it idles for more than 1030 seconds as recommended by the California
Consumer Energy Center
Implement heavy-duty technologies if available
Utilize TSE locations
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Upon completing this material, can
you:
Describe why idle reduction strategies and
technologies must be considered?
Describe how idle reduction benefits health
and the environment?
Explain the economic benefits of idle
reductions?
Describe what energy security is and how idle
reduction can be used to help attain it?
Explain some suggested actions to utilize idle
reduction practices?
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Test Your Knowledge
1. True or False: The fuel economy of a
conventional vehicle idling while it sits in traffic
is 0 MPG.
2. Nearly ________% of the petroleum
consumed in the U.S. is used for transportation.
3. The California Consumer Energy Center
recommends turning off an engine if the vehicle
is to idle more than 10 (seconds, minutes).
4. True or False: Idling vehicles produce no
emissions.
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