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Greener Trucking . The “Trucking Industry”. Eclectic Mix of Industries 96\% Small Businesses, < 20 Trucks 80+\% of Communities Depend Exclusively on Trucks Diesel is Lifeblood. Freight Tonnage Projections (2006 to 2018). 70\%. 2018 Market Share. Billions of Tons. 13\%. 9\%. 6\%. 2\%. <1\%.

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the trucking industry
The “Trucking Industry”
  • Eclectic Mix of Industries
  • 96% Small Businesses, < 20 Trucks
  • 80+% of Communities Depend Exclusively on Trucks
  • Diesel is Lifeblood
Freight Tonnage Projections(2006 to 2018)


2018 Market Share

Billions of Tons






Sources: ATA and Global Insight

May not equal 100% due to rounding

emission improvements
Emission Improvements









who idles everybody
Who Idles? - Everybody
  • Motor Carriers
  • Emergency Services
  • Utilities
  • Refuse
  • Construction
  • Government
  • Rail & Marine
why idle
Why Idle?
  • Driver Comfort/Convenience
  • Safety/Security
  • Congestion/Emergencies
  • Pre-Trip Inspections
  • Engine Warm-Up
  • Cost of Alternative Solutions
  • Productivity
where does most idling occur
Where Does Most Idling Occur?
  • Travel Centers
    • Fuel Islands
    • Parking Areas
  • Motor Carrier Terminals
  • Ports, Border Crossings
  • Government Owned/Operated facilities
    • Weigh/Inspection Areas
    • Public Rest Areas
    • Shipping/Receiving
gensets apus
Gensets – “APUs”

Diesel-powered generators provide cab heating, cooling, electrical, charging and engine heat.


  • Gensets do it all (APU’s)
  • Ease of operation for drivers
  • .1-.2 gal/hr fuel savings
  • Reduces wear-and-tear on main engine


  • High cost ($6-8K)
  • .2 gal/hr vs. .75gal/hr
  • Added maintenance costs
  • Weight
scta south carolina gears up for green growth
SCTASouth Carolina Gears Up for Green Growth
  • A rebate program for SC truck owners for the purchase/installation of APUs.
    • Rebates of up to 50% of the total costs (not to exceed $4,500 per unit) of each APU.
    • Approximately $270,600.00 was awarded to SCTA by DHEC/EPA to implement the program.
    • 54 auxiliary power units (APUs) were available.
    • A total of 7 companies were selected to participate.

To date, 50 APUs have been installed and nearly $225,000 in rebates have been issued.

environmental benefits of the program
Environmental Benefits of the Program
  • The APUs units awarded will reduce the trucking industry’s carbon footprint.
  • Based on the data compiled for the units installed thus far, it is estimated that the following emission reductions and environmental benefits will be achieved in South Carolina:
    • Idling Hours: 10,840 hours/year
    • Nitrogen Oxide: 13.3 tons/year
    • Carbon Dioxide: 578.5 tons/year
    • Diesel Fuel: 52,116.2 gallons/year

All emission reductions were calculated using the EPA’s Diesel Emission Quantifier with data submitted by participants. All reductions are based on an estimated 80% reduction in idling hours.

direct fired heaters
Direct-Fired Heaters

Small diesel-fired furnace for heating cab when engine is off.


  • Inexpensive ($1K)
  • 3% fuel savings
  • Ease of operation
  • Compact and lightweight
  • .07 gal/hr fuel use
  • Provide more than enough heat in all winter temps
  • Reduces wear on main engine


  • Doesn’t address air conditioning needs
  • Drivers leave it on entire time truck is parked
  • Some battery usage
cab and coolant heaters
Cab and Coolant Heaters

Heat engine coolant keeping engine and cab warm.


  • Heat both engine & cab
  • Simple to use
  • Compact
  • .1 gal/hr
  • Reduces wear on main engine
  • Inexpensive ($1-$2K)


  • Battery power requirements
  • Additional complexity, requires tie-in to engine and heating systems
truckstop electrification
Truckstop Electrification

Off-board heating and cooling solutions. Removable ductwork connects to tractor.


  • No separate components
  • Pay-as-you-go

($2.18 - $1.85/hr)

  • Internet/phone connectivity
  • No fuel consumed
  • No wear on main engine


  • 80% of drivers park at or near customer locations, not truckstops or waysides
  • Nationwide infrastructure currently lagging
  • Concern over monopolizing rest areas at expense of competing technologies
plug in electrification systems
Plug-In Electrification Systems


  • Provide adequate air conditioning in all temps
  • Easy to use
  • Experience in RV industry makes it a mature product
  • Less wear on main engine
  • Relatively inexpensive


  • No national electrification infrastructure
  • Inverter needed
  • Heating, cooling and other appliances extra

Offers power for heating, cooling and convenience appliances with a plug-in device.

engine shutdown devices
Engine Shutdown Devices


  • Inexpensive


  • .1 gal/hr fuel savings
  • Installed as a factory option


  • Sleep deprivation
  • Driver tampering

Controls engine start and stop based on set time period, ambient temperature, or other parameters.

thermal storage systems
Thermal Storage Systems

Utilizes existing tractor air conditioning to charge a storage system. Discharged during breaks.


  • Lowest cost A/C approach
  • Can be integrated with bunk A/C
  • Mobile solution
  • Very low noise
  • Less wear on main engine


  • Capacity, weak performance over 90º F ambient
  • Poor tractor insulation capabilities
  • High driver interface
driver technology
Driver “Technology”


  • Low Cost
  • Drivers have an option to participate
  • Additional pay for drivers
  • Reinforces correct behavior


  • Complex, difficult to manage
  • Requires engine recording
  • Negative driver perception
  • Does not eliminate idling

Provide incentives through programs to encourage idle reduction where appropriate.

how do we move forward
How do we move forward?

Government Support:

  • Federal Legislation (Granger/Energy Bill)
  • Weight offsets for idle technologies
  • Support for R&D
  • State/local financing
  • SmartWay
  • EPA model law

Industry Support:

  • Driver education
  • Cost effective, integrated solutions
  • Technology neutrality
  • Grant demonstration projects
ATA’s Sustainability Plan
  • 10-year commitment from entire industry to further reduce fuel consumption and cut CO2 emissions
  • Program includes six key recommendations set out on a dedicated sustainability-focused Web site
Greening the Industry
  • Set a national speed limit of 65 mph for all vehicles and govern truck speeds at 65 mph for trucks manufactured after 1992
  • Decrease idling
  • Increase fuel efficiency by participating in SmartWaySM
  • Reduce congestion through highway improvements
  • Promote more productive truck combinations
  • Support national fuel economy standards