1. cleanenergyfuels.com 1 Phoenix Sky Harbor Airport Natural Gas Vehicles “America’s Best Kept Secret” AGTA Denver, Colorado James N. Harger September 26, 2006

2. cleanenergyfuels.com 2 Company Background  Largest provider of vehicular natural gas in North America  Design, build & operate NG stations –Over 160 in operation Serve 17 Airports –Deliver LNG to third parties  25% growth for 2005 vs. 2004 –57+ million gallons sold  For 2006: –Continued growth! 70+ million gallon annual run rate based on June sales Phoenix Transit San Francisco International Airport

3. cleanenergyfuels.com 3 Clean Energy’s Airport Stations Albuquerque Dallas Fort Worth Dallas Love Field Denver Baltimore La Guardia Burbank Long Beach Los Angeles Oakland Orange County John Wayne Palm Springs San Diego San Francisco Phoenix Sky Harbor Tucson Seattle-Tacoma Dallas Love Field

4. cleanenergyfuels.com 4 Why Natural Gas for Airport Applications  Clean –Only alternative with EPA/CARB certified vehicles that are significantly below diesel, ethanol, gasoline, hydrogen, etc.  Cheap –Small energy production to produce one gallon –Pipeline infrastructure available at most airports –Ratio, ($ BBL Crude)/($ MMBTU NG) > 12 8 gallons energy/MMBTU –$1/MMBTU = $.125/gallon at the pump  Domestic –97% of all natural gas comes from N. America –Reserves in excess of 75 years

5. cleanenergyfuels.com 5 How Clean are LD NGVs? ’06 BAF Crown Victoria meets SULEV levels ’06 Honda Civic GX meets AT-PZEV levels Dirtiest TLEV LEV ULEV SULEV PZEV AT-PZEV ZEV Cleanest

6. cleanenergyfuels.com 6 EPA and CARB Scorecard 2006-07 Civic GX 2006-07 CNG Silverado/Sierra & SUVs 2006-07 CNG Express 2007 E350 2006 Gasoline E350 2006-07 Crown Victoria

7. cleanenergyfuels.com 7 HD Diesel Vehicles are a Health Threat to Your Community!  Diesel exhaust has been declared a toxic air contaminant by California Air Resources Board  There is a virtual asthma epidemic in the U.S. and diesel trucks are a primary cause  Diesel emissions are an increasingly recognized cancer threat  Vehicle emissions are particularly damaging to the health of children and elderly

8. cleanenergyfuels.com 8  PoLA and PoLB generate 25% and 24% of the region’s NOx and PM emissions, respectively  CARB estimates health care costs from Goods Movement total $20B Annually –2,400 premature deaths, 2,800 hospital admissions (heart or lung), 5,100 acute bronchitis cases, 62,000 asthma/other respiratory cases, and 4.4M absences/restricted days. Sources: SCAQMD Impacts of Goods Movement on Health

9. cleanenergyfuels.com 9 Cumulative Toxic Risk South Coast Air Basin (1998-1999) 406 in a million 1,400 in a million Without DieselWith CA Diesel Toxicity

10. cleanenergyfuels.com 10 2010 Stds 2004 Stds 2007 Avg. Stds NOx + NMHC (g/bhp-hr) PM (g/bhp-hr) Diesel Natural Gas Natural Gas Vehicles are Clean Source: SCAQMD, TAO Office, 5.19.06

11. cleanenergyfuels.com 11 Economics, Not Just Air Quality  Tax Credits –Federal can cover up to 80% –Some State (CO & NY)  Grants –US DOE, State and Local  Fuel Price –Substantially below gasoline & Diesel –Long term fixed price available

12. cleanenergyfuels.com 12 Best NGV Airport Applications  Transit –Employee Shuttles –Rental Car Shuttles  Door to Door Shuttles  Taxi  Airside, Case by Case –Product Available? –Economics? Licensed for Airside? Diesel >5,000 gallons/year Los Angeles International Airport Denver Shuttle Fleet

13. cleanenergyfuels.com 13 Transit  Rental Car Buses –4 mpg @ PHX  Employee & Parking Shuttle Buses –DFW, LAX, PHX & SEA  Consolidated Hotel Shuttle @ LAX & SFO –Private Parking Shuttles being considered Phoenix Rental Car Shuttle Bus Fleet LAX Consolidated Hotel Shuttle

14. cleanenergyfuels.com 14 President’s Energy Bill  Allows for Federal Tax Credit of up to 80% of incremental cost of dedicated NGV based on GVWR  Provision in bill for “Seller” to take tax credit and pass through to non-taxable entities (Cities, Transit, etc.) GVWR < 8,500 lbs= $5,000 (80% = $4,000) –Honda GX & Ford Crown Victoria GVWR 8,500-14,000 lbs= $10,000 (80% = $8,000) –Sierra/Silverado pickup, Express/E350 van & GM SUVs GVWR 14,000-26,000 lbs= $25,000 (80% = $20,000) –Ford E450 or GM 8.1L Shuttle Bus GVWR > 26,000 lbs= $40,000 (80% = $32,000) –Transit Bus/Shuttle, Refuse Truck & Tractor

15. cleanenergyfuels.com 15 E450 CNG Shuttle with Federal Tax Credit $1.999/gallon through 2007 E450 Van Cost- CNG Option:Gasoline Option:Diesel Option: Initial Shuttle Cost$44,000 $48,000 Dedicated CNG$16,400n/a Federal Tax Credit-13,120n/a Net Cost $47,280$44,000$48,000 Net Cost Difference of CNG Vehicle is $3,280 ($720)

16. cleanenergyfuels.com 16 Taxi & Shuttle  BAF, Baytech & ECO Fuels –CARB & EPA Certified SULEV for HOV –E Van available for 2007  DaimlerChrysler –Import dedicated Sprinter Van to US Market

17. cleanenergyfuels.com 17 Energy Supply Outlook – We’ve Peaked on Oil OIL DEMAND grows each year in a healthy world economy PRODUCTION reaches a maximum & then declines (PEAKS) Supply cannot meet demand PRICES INCREASE SHORTAGES DEVELOP 2006

18. cleanenergyfuels.com 18 Why Will Conventional Oil Production Peak? Time - Decades Production Individual Oil Fields Peak 1945 2000 Year Production U.S Lower 48 States The world will peak (All regions) Regions Peak (Many oil fields)

19. cleanenergyfuels.com 19 We’re Finding Much Less Than We’re Consuming 0 -20 20 40 19402000 Year Net of Annual Reserve Additions Minus Annual Consumption Billions of Barrels World consumes > 2 barrels for each new barrel added

20. cleanenergyfuels.com 20 Phoenix Sky Harbor Rental Car Center

21. cleanenergyfuels.com 21 Phoenix Sky Harbor Eastside Station

22. cleanenergyfuels.com 22 Los Angeles International Airport

23. cleanenergyfuels.com 23 Seattle Tacoma International Airport

24. cleanenergyfuels.com 24 James N. Harger Senior Vice President Clean Energy (562) 493-2804 x223 jharger@cleanenergyfuels.com www.cleanenergyfuels.com jharger@cleanenergyfuels.com