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Idling Reduction for Long-Haul, Heavy-Duty Trucks

Learn about the reasons why heavy-duty trucks idle, the costs and consequences of idling, and various technologies that can support idling reduction. Discover how these technologies can help save fuel, reduce engine wear, minimize pollution, and potentially avoid legal fines.

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Idling Reduction for Long-Haul, Heavy-Duty Trucks

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  1. Idling Reduction for Long-Haul, Heavy-Duty Trucks Coalition Name Presenter: Date:

  2. Idling Reduction for Long-Haul, Heavy-Duty Trucks • Why Do Heavy-Duty Trucks Idle? • What Are the Costs and Consequences of Idling? • Technologies To Support Idling Reduction • Resources

  3. Why Do Heavy-Duty Trucks Idle? • To heat and cool the cab and sleeper (and to mask noises while the truck driver sleeps) • To keep the fuel warm in the winter (avoid cold starts) • To keep the engine and cab warm while waiting in lines and making pick-ups and deliveries Shutterstock 5034154

  4. What Are the Costs and Consequences of Idling? Idling Is Expensive • A long-haul, heavy-duty truck typically consumes about 0.8 gallon of fuel/hour. A truck idling 1,800 hours/year for overnight “hotel load” alone will consume about 1,440 gallons of fuel per year. Annual cost: • $3,600 at $2.50/gal • $4,320 at $3.00/gal • $5,040 at $3.50/gal • $5,760 at $4.00/gal

  5. What Are the Costs and Consequences of Idling? Idling Increases Engine Wear • Engine operation = engine wear • Idling lessens time between required maintenance tasks • Idling lessens time to engine overhaul Shutterstock 152769011

  6. What Are the Costs and Consequences of Idling? • Idling Pollutes • According to Argonne National Laboratory, rest-period truck idling consumes about 1 billion gallons of diesel fuel each year, emitting: • 10 million tons of carbon dioxide (CO2) • Equivalent to the annual emissions of 2.5 million automobiles • 55,000 tons of nitrogen oxides (NOx) • 400 tons of particulate matter (PM)

  7. What Are the Costs and Consequences of Idling? Idling May Be Illegal Idling map

  8. What Are the Costs and Consequences of Idling? Idling May Be Illegal • California: 5-minute limit Fines start at $300, upper limit $10,000 • New York: 5-minute limit Fines start at $375, upper limit $22,500 • Many others—see IdleBase cleancities.energy.gov/idlebase

  9. Technology To Support Idling Reduction • Auxiliary power units (APUs) • Electrified parking spaces (EPS; also called truck stop electrification [TSE]) • Cooling technologies • Heating technologies • Automatic engine start/stop (AESS) systems

  10. Technology To Support Idling Reduction Auxiliary power units provide full service • Auxiliary power is provided for heat, A/C, electronics, and other devices • May be powered by fuel or battery; may be wayside-power compatible • No federal excise tax; most states have APU weight exemptions Photo courtesy of Terry Levinson

  11. Technology To Support Idling Reduction Available at energy.gov/eere/vehicles/map-state-recognition-auxiliary-power-weight-exemption

  12. Technology To Support Idling Reduction Electrified parking spaces (EPS) Also called truck-stop electrification (TSE) and shore power • Single-system EPSA duct delivers warm or cooled air to a truck. The face of the duct, which is held in place by a window adaptor, also provides an electrical outlet and sometimes an Internet connection and TV services. • Dual-system EPSA wayside pedestal provides electrical power to a truck equipped with plug-in capable equipment. (Called “dual system” because both on-board and off-board equipment is required.) Used with permission of Shorepower Technologies

  13. Technology To Support Idling Reduction EPS: Single System Provides: • Heating/cooling via duct • Electrical outlets • Internet/TV No special on-board equipment needed (except inexpensive window adaptor) Used with permission of IdleAir

  14. Technology To Support Idling Reduction EPS: Dual System Provides electricity for EPS-compatible on-board equipment: • Auxiliary power system • Heater or air conditioner • Other devices Hourly plug-in rate lower than single-system EPS. Used with permission of Shorepower Technologies

  15. Technology To Support Idling Reduction DOE’s AFDC TSE Locator Tool afdc.energy.gov/tse_locator

  16. Technology To Support Idling Reduction Air conditioners cool the cab/sleeper compartment • Provide engine-off air conditioning powered by energy stored when the truck is running (to charge a battery or freeze a large block of ice) • Increases operational fuel use by only a small amount • May be shore-power compatible • Evaporative coolers are an option for hot, dry climates

  17. Technology To Support Idling Reduction Heaters are inexpensive • Provide warmth to the cab/sleeper using less than 10% of the fuel used in engine idling • Air heaters supply warm air to the cab/sleeper • Coolant heaters heat the vehicle’s coolant, which, when circulated through the heat system, provides some cab heat

  18. Technology To Support Idling Reduction • Engine idle management systems turn the engine off • Idle timer • Turns engine off after a preset amount of idle time • Automatic engine shut-down/start-up system • Turns engine off and restarts it based on cabin temperature and/or battery-charge level

  19. Fuel Use, Costs, and Typical Payback

  20. Complementary Technologies Telematics/GPS Systems • Provide data about vehicle location and engine status, including idling episodes. • These data allow managers to identify idling patterns and determine which solutions make the most sense. Cab insulation, window glazing, reflective paint, and passive measures • Can reduce a stationary vehicle’s energy requirements, allowing the use of smaller, lighter, and less-expensive idling reduction equipment (with faster ROI).

  21. Resources: Estimating Your Payback anl.gov/energy-systems/downloads/vehicle-idle-reduction-savings-worksheet

  22. Resources: Estimating Your Payback

  23. Resources: Funding • National grant, loan, and rebate programs • EPA’s Diesel Emissions Reduction Program (DERA) • Manufacturer rebates and loans • Nonprofit organization programs • State grant and loan programs • State Clean Diesel grant programs (EPA) and Congestion Mitigation and Air Quality (CMAQ [DOT]) grant programs • Programs targeted to assisting small businesses • Bank loans • Loans can be repaid with money saved on fuel

  24. Resources: National Idling Reduction Network News A free monthly, electronic newsletter that provides: • Information about current funding opportunities and recent awards • News about changes in ordinances, laws, regulations, and enforcement • Manufacturers’ news • Alerts about upcoming meetings, events, and other resources of interest • Links to other idling reduction resources energy.gov/eere/vehicles/vehicle-technologies-office-national-idling-reduction-network-news

  25. Idling Reduction for Long-Haul, Heavy Duty Trucks Thank you! Coalition Name Presenter Contact info Clean Cities /

  26. Slides after this one are for reference only; presenter may choose to reserve some of the slides for the question/discussion period.

  27. Resources: IdleBox Tools cleancities.energy.gov/idlebox

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