David Vercauteren, Cummins NPower presents at the Natural Gas for Transportation Roundtable on Monday, May 19, 2014 in Oshkosh, WI.

1. May,19,2014
Wisconsin Clean
Cities Natural Gas
Roundtable

2. Overview
Market Drivers For CNG
Product Offerings
Applications
 OEM Availability
2

3. Heavy Duty Market – Primary Drivers
Economics
• Natural Gas costs
30-50% less than
diesel
• Fuel use reduces
payback
Energy Policy
• Abundant domestic
supply of natural gas
in North America
• Reduce crude oil
imports
Environment
• Reduce GHG
emissions
• Reduced engine
noise
• Simple
Aftertreatment
3
Large oil and gas
producers
o Investing in CNG
and LNG
production
Truck OEM’s and Fuel
Providers
oExpanding product
offering
oBuilding infrastructure
Fleets
oTesting NG vehicles
oLooking to innovate
the business model
The market is moving….

4. Natural gas is significantly less expensive
than crude oil and the gap is growing.
$0.00
$5.00
$10.00
$15.00
$20.00
$25.00
Jan-1997
May-1997
Sep-1997
Jan-1998
May-1998
Sep-1998
Jan-1999
May-1999
Sep-1999
Jan-2000
May-2000
Sep-2000
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May-2003
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Jan-2004
May-2004
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Jan-2005
May-2005
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Jan-2006
May-2006
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Jan-2007
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Jan-2008
May-2008
Sep-2008
Jan-2009
May-2009
Sep-2009
Jan-2010
May-2010
Sep-2010
Jan-2011
May-2011
Sep-2011
Jan-2012
EnergyPriceinMillionsofBTUs
Jan 1997 - Mar 2012
Natural Gas and Crude Oil Spot Prices
Natural Gas Henry Hub Spot Price
Crude Oil Cushing Spot Price
85%
Less
Source: U.S. EIA (March 2012).

5. Source: U.S. DOE / Clean Cities Alternative Fuel Price Report (April 2013).
Natural Gas commodity prices
~40% price advantage at the retail pump
$2.34
$3.19
$3.99
$0.00
$0.50
$1.00
$1.50
$2.00
$2.50
$3.00
$3.50
$4.00
$4.50
CNG(DGE)
LNG(DGE)
Diesel
U.S. Average Retail Price (DGE)

6. CNG (DGE) Price Difference by State

7. Future regulations focus = CO2
How Big is a Ton of CO2?
One CNG Transit bus reduces CO2 by over 90 trailers full per year.

8. •6.7 Liter
•SEGR
•2015 launch
•8.9 Liter
•SEGR
•250-320 hp
•660-1000 lb/ft
ISB6.7 G ISL G
Cummins Westport NG Engines
•11.9 Liter
•SEGR
•320-400 hp
•1150-1450 lb/ft
•2013 launch
ISX12 G ISX15 G
• 15 Liter
•SEGR
•Spark Ignited
•400 -? HP
•1450 -1750 lb/ft
•2015 launch

9. CWI – Technology Strategy
 Cooled Exhaust Gas Recirculation (CEGR)
 Stoichiometric Combustion
 Spark Ignition
 Three Way Catalyst (TWC)
9
Cummins
Cummins
Emission Solutions
Cummins Westport
Cummins Westport

10. Reduced Noise
ISL G is 5.5 decibels
quieter at peak torque
and load
ISL G is 9.9
decibels quieter
at Idle/no load
Spark ignition provides
quiet operation
Communities notice the
natural gas noise
advantage.
ONE Diesel engine idling is
louder than TEN natural
gas engines idling together
* ISX12 G Noise Data TBA
*

11. Fuel
Module
Engine Control
Module
Ignition Control
Module
EGR
ValveWastegate
Turbo
Coil on Plug
Ignition
4 Valve Cylinder
Head

12. 2013 Natural Gas Engine
 Key Product Attributes
– 4 cycle, spark ignited, in-line 6 cylinder, turbocharged, CAC
– Displacement – 11.9 litres (726.2 cu in)
– Peak rating: 400 hp, 1450 lb-ft
– EPA/CARB certified at or below EPA10 emission levels
– Dedicated natural gas engine
• Will operate on CNG or LNG
• Capable of using up to 100% Biomethane
– Three Way Catalyst after-treatment
– Engine braking
– Manual/Automatic Transmission capable

13. Differences:
ISX12 diesel and ISX12 G natural gas
 Ratings
– ISX12 HP: 310 - 425 hp
Torque: 1,150 – 1,650 lb-ft
– ISX12 G HP: 320 - 400 hp
Torque: 1,150 – 1,450 lb-ft
 Torque at Idle
– ISX12 800 lb-ft
– ISX12 G 700 lb-ft
 Aftertreatment
– ISX12 DPF + SCR
– ISX12 G Three Way Catalyst
 Engine brake performance
– ISX12 Optional – 380 HP @ 2100 rpm
– ISX12 G Optional – 240 HP @ 2100 rpm
» Reduced due to lower compression ratio

14. The Right Applications
 ISX12 G
– Heavy Duty Engine
– Regional haul
– Vocational
– Up to 80,000 lb GVW
– Any natural gas application
exceeding 60,000 miles per year

15. Truck Engine Ratings
Model Advertised Horsepower (kW) Peak Torque lb-ft (Nm) @ rpm
ISX12 G 400 400 (298) 1450 (1966) @ 1200
ISX12 G 385 385 (287) 1350 (1830) @ 1200
ISX12 G 350 350 (261) 1450 (1966) @ 1200
ISX12 G 330 330 (246) 1250 (1695) @ 1200
ISX12 G 320 320 (239) 1150 (1559) @ 1200

16. Refuse Engine Ratings
Model Advertised Horsepower (kW) Peak Torque lb-ft (Nm) @ rpm
ISX12 G 350R 350 (261) 1450 (1966) @ 1200
ISX12 G 350R 350 (261) 1350 (1830) @ 1200
ISX12 G 330R 330 (246) 1250 (1695) @ 1200
ISX12 G 320R 320 (239) 1150 (1559) @ 1200

17. Normal Duty Truck
ISX12 G Maintenance Intervals
Note:
Normal Duty Truck, 45 mph
Average Speed *
Hours Miles Kilometers Months
Spin-on Fuel Filter Daily Check
Oil & Filter* 400 18,000 30,000 6
Spin-on Fuel Filter* 1,000 45,000 72,300 12
Coolant Filter** 1,500 67,500 108,500 12
Spark Plugs* 1,500 67,500 108,500 12
Overhead Adjustment* 1,500 67,500 108,500 12
Engine Brake (Adjust) 6,000 270,000 435,000 24
Standard Coolant 6,000 270,000 435,000 24
Air Cleaner/Element Follow vehicle manufacturers published recommendations
Intervals for normal duty - must be reduced for lower average speeds/duty cycles.
Default interval is the hours stated. Interval is whichever comes first – hours, miles or time.
Refer to Owners Manual for complete details on Maintenance Intervals.
* Assuming normal duty cycle/based on 45 mph average speed.
Spark plug interval and overhead adjustment must be reduced for slower speed applications.
** Do not change if SCA above 3

18. Fuel
Module
EGR
Valve
Wastegate
Turbo
Coil on Plug
Ignition
2 Valve Cylinder
Head
Engine Control
Module
Ignition Control
Module

19. What is the Same Between ISL9 & ISL G?
 Major Engine Components & Technology
– Block, crankshaft, main bearing, piston rods
– Over 80% parts commonality
– Cooled EGR
 500 hour Maintenance Interval
 Parts, Service, Training, Warranty
– Cummins Distributor Network
 320, 300, 280, 260 and 250 HP rating
 Compatible w/ Cummins Diagnostic Tools
– Insite
– QuickServe Online
19

20. What is Different Between ISL9 & ISL G?
Cylinder Head 2 Valve 4 Valve
Ignition Spark Ignition (spark plugs) Compression Ignition
Fuel System Intake Manifold Common Rail
Aftertreatment Three way catalyst Particulate Filter + SCR
Compression
Ratio
12:1 16.6:1
Maintenance Cost
Cost of maintenance related to ignition and overhead valve
adjustments adds incremental maintenance cost for the ISL G
versus ISL9. This cost is typically more than offset by fuel cost
savings with natural gas.
Lubricating Oil
Natural gas engines require a specific oil that meets Cummins
specification CES 20074
Noise Natural gas engines are up to 10db quieter at idle
20

21. ISL G: The Right Applications
 Medium Duty Market
– Refuse / Dump / Mixer
– Transit and School Bus
– Pickup and Delivery Truck
– Medium Duty Specialty Vehicles (street
sweeper, yard spotter, etc…)
 Heavy Duty Market
– Up to 66,000 lbs GVW
– Less Than Truck Load (LTL) applications
– Regional / Bulk Haul applications
21

22. Truck Engine Ratings
Model Advertised Horsepower (kW) Peak Torque lb-ft (Nm) @ rpm
ISL G 320 320 (239) 1000 (1356) @ 1300
ISL G 300 300 (224) 860 (1166) @ 1300
ISL G 280 280 (209) 900 (1220) @ 1300
ISL G 260 260 (194) 660 (895) @ 1200
ISL G 250 250 (186) 730 (990) @ 1200

23. Refuse Engine Ratings
Model Advertised Horsepower (kW) Peak Torque lb-ft (Nm) @ rpm
ISL G 320 320 (239) 1000 (1356) @ 1300
ISL G 300 300 (224) 860 (1166) @ 1300

24. ISL G Maintenance Intervals – Truck <66,000 lbs
Normal Duty Truck
(<66,000 lbs)
Hours Miles Kilometers Months
Check CAC cooler, piping
and Air Cleaner
250 7500 12,000 3
Oil & Filter* 500 15,000 24,000 6
Coolant Filter** None¹ None¹ None¹ None¹
Spin-on Fuel Filter 1,000 30,000 48,000 12
Spark Plugs 1,500 45,000 72,000 18
Standard Coolant 2,000 60,000 96,000 24
Overhead Adjustment*** 2,000 60,000 96,000 24
Air Cleaner/Element Follow vehicle manufacturers published recommendations
24
• Distance intervals will increase or decrease based on average speeds.
• The default interval is the hours shown. Perform maintenance at hours, distance, or months indicated, whichever comes first
• A service interval distance reduction exists in severe duty applications (>66,000 lbs)
• Refer to the Owners Manual for complete details on Maintenance Intervals
¹ If the engine is equipped with an optional coolant filter, the coolant filter will need to be replaced at the same intervals as the oil filter.
Regardless of whether the engine is or is not equipped with a coolant filter, SCA/DCA additive levels must be checked according to the
interval listed in the Owners Manual.
* Assuming truck is normal duty cycle @ 30 mph avg. speed.
* Use Natural Gas Engine Oil (CES20074)
*** Do not change if SCA above 3
*** Initial Overhead Adjustment at 1,000 hours/15,000 miles/12 months

25. ISL G Maintenance Intervals - Transit
Urban Transit / Shuttle
application
Hours Miles Kilometers Months
Check CAC cooler, piping
and Air Cleaner
250 3,750 6,000 3
Oil & Filter* 500 7,500 12,000 6
Coolant Filter** None¹ None¹ None¹ None¹
Spin-on Fuel Filter 1,000 15,000 24,000 12
Spark Plugs 1,500 22,500 36,000 18
Standard Coolant 2,000 30,000 48,000 24
Overhead Adjustment*** 2,000 30,000 48,000 24
Air Cleaner/Element Follow vehicle manufacturers published recommendations
• Distance intervals will increase or decrease based on average speeds.
• The default interval is the hours shown. Perform maintenance at hours, distance, or months indicated, whichever comes first
• Refer to the Owners Manual for complete details on Maintenance Intervals
¹ If the engine is equipped with an optional coolant filter, the coolant filter will need to be replaced at the same intervals as the oil filter.
Regardless of whether the engine is or is not equipped with a coolant filter, SCA/DCA additive levels must be checked according to the
interval listed in the Owners Manual.
* Assuming normal duty cycle/based on 15 mph average speed.
** Do not change if SCA above 3
*** Initial Overhead Adjustment at 1,000 hours/15,000 miles/12 months

26. ISL G Maintenance Intervals - Refuse
Refuse Truck Hours Miles Kilometers Months
Check CAC cooler,
piping and Air Cleaner
250 3,000 5,000 3
Oil & Filter* 500 6,000 10,000 6
Coolant Filter** None¹ None¹ None¹ None¹
Spin-on Fuel Filter 1,000 12,000 20,000 12
Spark Plugs 1,500 18,000 30,000 18
Standard Coolant 2,000 24,000 40,000 24
Overhead Adjustment*** 2,000 24,000 40,000 24
Air Cleaner/Element Follow vehicle manufacturers published recommendations
• Distance intervals will increase or decrease based on average speeds.
• The default interval is the hours shown. Perform maintenance at hours, distance, or months indicated, whichever comes first
• Refer to the Owners Manual for complete details on Maintenance Intervals
¹ If the engine is equipped with an optional coolant filter, the coolant filter will need to be replaced at the same intervals as the oil filter. Regardless of
whether the engine is or is not equipped with a coolant filter, SCA/DCA additive levels must be checked according to the interval listed in the Owners
Manual.
* Assuming normal duty cycle/based on 12 mph average speed.
** Do not change if SCA above 3
*** Initial Overhead Adjustment at 1,000 hours.

27. New 6.7 Litre Natural Gas Engine
 Target Markets:
– School Bus, Medium-Duty
Truck and Vocational vehicles
 Based on Cummins ISB6.7 diesel
 Spark ignited, Stoichiometric EGR
(SEGR) combustion.
 Maintenance free three way
catalyst aftertreatment
 Dedicated, factory built natural gas
engine.
 Fuel can be stored on the vehicle
as CNG or LNG.
 Available in 2015
27
2015

28. ISL G Availability – Transit Buses
North American CNG Transit Fleets
over
8,000
engines in
service
LAMTA, Los Angeles, CA
Boston, MA
OCTA, Orange County, CA
Washington DC
Big Blue Bus, Santa Monica, CA
Dallas, TX
Coast Mountain Bus, Port
Coquitlam, Canada
NY / Long Island Transit, NY San Diego Transit, CA
Foothills Transit, CA RTC Transit, Las Vegas, NV
Fort Worth, TX Santa Clara, CA
Tacoma, WA St. Louis, MO
OEM New Flyer NABI Nova ElDorado Gillig
Model 30/35/40 Low Floor 35/40 Low Floor
60 BRT
2012 EZ Rider II 30/35/40 Low
Floor
Fuel CNG CNG CNG LNG/CNG CNG
Engine ISLG 280 ISLG 280
ISL G 320
ISL G 280 ISLG 280 ISLG 280

29. ISL G Availability – COE Trucks
OEM AutoCar Mack Peterbilt American
Lafrance
Crane Carrier
Model Xpeditor TerraPro LE
Terra Pro CO
320 Condor LET
Fuel LNG/CNG LNG/CNG LNG/CNG LNG/CNG LNG/CNG
Engine ISLG 320 ISLG 320 ISL G 320 ISL G 320 ISLG 320
.
North America Refuse Fleets
City of Los Angeles, CA City of Toronto Miller Waste, Ontario
Republic Service City of Sacramento, CA EMI, Quebec
Specialty Solid Waste Long Island, NY BFI / City of Surrey, BC
City of New York Smithtown, NY
Denver, CO
Ogden, Utah
Waste Management (USA,
Canada)
Violia Environmental
over
4,000
engines in
service

30. OEM Freightliner Peterbilt Kenworth Volvo Navistar
Model M2 – 112
SD - 114
320
384
365
T800SH
W900S
T440
T470
VNM TranStar
2012
Engine ISLG 320
ISL G 300
ISL G 320 ISLG 320 ISL G 320 ISL G 320
Application 6x4 Tractor
4x2 Tractor
4x2 Truck
6x2 Truck
Vocational
Tractor
Vocational
Mixer
Tractor
Vocational
Mixer
Tractor Tractor
30
Cal Cartage, CA UPS Pac 9
Ryder Trucks
Dillon Transport
Paper Transport
Sysco
Pepsico
Coca Cola
Rush
Waste Management
over
1,500
engines in
service
North America Truck Fleets
ISL G Availability – Conventional Trucks

31. OEM Availability - Summary
June, 2012
North America
OEM Model Segment ISL G ISX12 G Comments
Freightliner Truck Business Class M2 112 (Class 7/8) MD/HD Truck X
Applications: 6X4 Tractor (LNG, CNG),
CNG - 4X2 Tractor, 6X2, 4X2 Truck,
Vocational
Cascadia HD Truck X ISX12 G - Mid 2013
Kenworth W900S MD/HD Truck X X Vocational/Mixer
T440 / T470 MD/HD Truck X Local & regional haul, vocational.
T660 HD Truck X ISX12 G - Mid 2013
Peterbilt Model 384 MD/HD Truck X X Model 384 - Tractor
Model 365 MD/HD Truck X X ISX12 G - Mid 2013
Volvo VNM MD/HD Truck X
VNL HD Truck X ISX12 G - Mid 2013
Mack Pinnacle HD Truck X ISX12 G - Mid 2013
Granite HD Truck X ISX12 G - Mid 2013
International TranStar MD/HD Truck X New 2012
American LaFrance Condor Refuse X
AutoCar ACX Refuse X X ISX12 G - Mid 2013
Crane Carrier LCF Refuse X
Peterbilt 320 Refuse X X ISX12 G - Mid 2013
Mack TerraPro Low Entry Refuse X
Mack TerraPro Cab Over Refuse X
NABI 35 LFW/40 LFW/60 BRT Urban Bus X
New Flyer 30 LF/35 LF/40 LF Urban Bus X
Orion Orion V HF/Orion VII LF Urban Bus X
Foton City - L40 CNG Urban Bus X
Gillig LF Urban Bus X New 2011
MCI Commuter Coach 40/45 Motor Coach X New 2011
DesignLine Commuter Coach 40/45 Motor Coach X New 2012
El Dorado National Axess/E-Z Rider II/Transmark RE/XHF Shuttle X
Blue Bird All American School Bus X
Thomas Bus Saf-T Liner School Bus X
Capacity TJ9000 , TJ5000 Yard Spotter X
AutoCar Xspotter Yard Spotter X

32. Thank You