1. H A F E N B R A C K 2012 TPA Supply Chain Conference FMI / GMA
Turbocharged Natural Gas™ Systems for HD Trucks
January 23, 2012
H A F E N B R A C K

2. New Generation Turbocharged Technology
Natural Gas introduced through turbocharger – no fuel injectors – high-energy air
Natural gas displacement of < 70% allows use of OEM diesel engine and parts
Perfect for aftermarket upgrade of existing diesel engines
Third Generation Design From Detroit: Digital Read-Only Engine Controller
Variable Fuel Metering
Extensive Emissions Software Mapping
First EPA approval of new turbocharged technology in September 2011

3. Dual Fuel Value Proposition for Fleet Owners
Annual Fuel Savings: Typical annual fuel savings of $20k - $22k per year.
Equals 20% - 35% net annual fuel savings over 100% diesel
Payback: Typical one year payback
Cost: $12k for installed Dual Fuel System plus $8k to $12k for tanks
Trade In / Transfer: Can transfer system to another approved engine family
Cleaner burning natural gas extending engine life
Flexibility: Seamlessly return to 100% diesel operation at any time
Eliminate range-anxiety if next NG fill station is too far away
Can hedge future uncertainty of diesel/natural gas price spread
Universal Design: No practical limit on horsepower – No loss of pulling torque

4. APG’s Turbocharged Natural Gas™ System
Key Automotive Parts Vendors: IMPCO, Bosch, Woodward Governor

5. Current APG Engine Family Status for EPA Approval
EPA Approved Under New Regulations
2004 CAT C-15 (Internal Vehicle)
1st EPA Engine Family Approval Under New Regs
Under EPA Exemption for Approval
2009 DD15
2007 Cummins ISX
2007 Mack E-7
Next Up: (Engine Families 2010 through 2004)
Cummins ISX & ISM
D-12 & D-13
Series 60: 12.7L & 14.0L
DD15
Mack E-7 & MP 7 Series
CAT C-12, C-13 & C-15

6. Summary and Closing
APG’s Dual Fuel System Designed In Detroit: Safe – Reliable – EPA Approved Technology also used on primary and back-up diesel generators – i.e. cold storage Fleet Owners have viable vehicular natural gas options: New and Aftermarket Fuel Cost Savings - - Reduce Emissions - - Hedge Future Fuel Cost Variations