Press Release Details

SEAL BEACH, Calif., Sep 18, 2007 (BUSINESS WIRE) --

Clean Energy (Nasdaq:CLNE) has entered a five-year agreement to supply the Metropolitan Transit District in Santa Cruz, California (Santa Cruz Metro) with clean-burning liquefied natural gas (LNG) fuel for its growing fleet of natural gas powered buses. Santa Cruz Metro plans, by mid-2008, to operate 63 CNG buses, including 10 currently in service and by replacing 53 older diesel-fueled buses with new or re-powered natural gas models.

To accommodate this expanding fleet, Santa Cruz Metro has constructed a new L/CNG fueling station at its River Street Metroplex. LNG was chosen for the fuel supply because the utility's local distribution system could not provide pipeline gas to produce CNG in quantity sufficient to meet the anticipated future demand of a growing CNG fleet. The LNG supplied by Clean Energy will be converted to CNG to fuel the fleet.

"Clean Energy keeps thousands of natural gas fleet vehicles operating everyday, and we are excited to initiate this fuel supply arrangement with the Santa Cruz Metropolitan Transit District," said James Harger, Senior Vice President, Clean Energy.

"Clean Energy is committed to help reduce pollution and protect environmental quality in every community and region we serve," Harger said, adding that "natural gas is one of the best ways to reduce air pollution and greenhouse gas emissions because natural gas burns cleaner than diesel fuel."

Santa Cruz Metro, the public mass transit system for all of Santa Cruz County, operates fixed-route service on 39 routes (20 on weekends) in Santa Cruz directly and supports the Highway 17 commuter service between Santa Cruz and the Silicon Valley/San Jose area. The two services transport close to six million passengers annually.

About Clean Energy -- Clean Energy, based in Seal Beach, CA, is the leading provider of natural gas (CNG and LNG) for transportation in North America. It has a broad customer base in the refuse, transit, shuttle, taxi, intrastate and interstate trucking, airport and municipal fleet markets, fueling more than 14,000 vehicles daily at strategic locations across the United States and Canada. Information at: www.cleanenergyfuels.com

Safe Harbor Statement -- This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 that involve risks, uncertainties and assumptions. Actual results and the timing of events could differ materially from those anticipated in these forward-looking statements, including the timing and number of natural gas buses deployed by Santa Cruz Metro in the future. The forward-looking statements made herein speak only as of the date of this press release and the company undertakes no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances.

SOURCE: Clean Energy

Clean Energy
Bruce Russell, 310-559-4955, ext. 101 (Media)
brussell@cleanenergyfuels.com
or
John Mills/Ina McGuinness, 310/954-110 (Investors)

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