1. Parking Business Unit Motivational Program Consolidating motivational initiatives for Bussing and Parking Operations Airport Ground Transportation Association Managing an Airport Alternative Fuels Program September 10, 2007 Kathe Powell

2. 2 Managing an Airport Alternative Fuels Program DFW International Airport History  2000 - First CNG buses purchased – 8 buses  2000 - CNG “public” fuel station opened on airport property  2001 - Initiated 10 year contract with Clean Energy  2005 - Fuel station modified to handle the increased demand  2007 - Fuel station nearing “ full capacity”

3. 3 Managing an Airport Alternative Fuels Program DFW International Airport Public CNG Fuel Station

4. 4 Managing an Airport Alternative Fuels Program DFW International Airport Public CNG Fuel Station

5. 5 Managing an Airport Alternative Fuels Program DFW International Airport Public CNG Fuel Station

6. 6 Managing an Airport Alternative Fuels Program DFW International Airport DFW Fleet – Controlled Fleet  118 Buses and Vans  198 Maintenance vehicles  75 Police and Staff vehicles Airport Community & Public – Uncontrolled Fleets  20 + Public Customers  Super Shuttle, Parking Spot, City of Dallas, City of Irving, The Fort Worth “T”, DART  Airlines, airport tenants, business community

7. 7 Managing an Airport Alternative Fuels Program DFW International Airport Daily Fueling Operations  No assigned fueling schedules Peak fuel periods: 9:00 a. m. – 1:00 p.m. 10:00 p.m. – 1:00 a.m.  Larger vehicles require fueling twice per day  Airport buses and vans require a two phase fueling process 1. Fuel at CNG station 2. Complete maintenance inspections, fluid checks, minor PM at the maintenance facility  Fueling Time / per vehicle Buses – 20 minutes Smaller vehicles – 8 – 10 minutes

8. 8 Managing an Airport Alternative Fuels Program DFW International Airport Issues & Concerns # 1Safety Training – Training – Training #2 Fuel Station Outages Backup Plan – Backup Locations #3Growing demand & fuel usage # 4Fuel Cost

9. 9 Managing an Airport Alternative Fuels Program DFW International Airport Fast Facts  2007 CNG / GGE price $1.67 DFW station consumes 1.8 million GGE annually  Annual CNG station scheduled maintenance down time 20 – 30 hours  Most common problems 1. Tubing leaks 2. O Ring leaks / replacements 3. Driver error 4. Near full capacity / lower fuel pressure / slower refueling 5. Lost fuel cards

10. Parking Business Unit Motivational Program Consolidating motivational initiatives for Bussing and Parking Operations Airport Ground Transportation Association Managing an Airport Alternative Fuels Program September 10, 2007