QuickLinks
 -- Click here to rapidly navigate through this document











 



 
 

Exhibit 4.4    
    


Incorporated Under the Laws of the State of Delaware
  April 17, 2001 



	                P-	 	____________                
	

 	
 	

 
	

 	
 	

 
	

 	
 	

 
	CLEAN ENERGY FUELS CORP.
	
SERIES __ PREFERRED STOCK
	
99,000,000 SHARES COMMON STOCK

$0.0001 PAR VALUE	
 	

1,000,000 SHARES PREFERRED STOCK

$0.0001 PAR VALUE
	

 	
 	

 
	

 	
 	

 
	

 	
 	

 
	                                        
                                      
	

            __________________________ (__________________________)
	FULLY PAID AND NON-ASSESSABLE SHARES
	

 	
 	

 
	

 	
 	

 
	

 	
 	

 
	

 	
 	

 
	

 	
 	

 
	

 	
 	

 
	

 	
 	

 
	

 	
 	

 
	        SECRETARY	 	PRESIDENT        










A
STATEMENT OF THE POWERS, DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OR SERIES OF STOCK AND THE QUALIFICATIONS, LIMITATIONS OR
RESTRICTIONS OF SUCH PREFERENCES AND/OR RIGHTS MAY BE OBTAINED BY ANY STOCKHOLDER UPON WRITTEN REQUEST AND WITHOUT CHARGE FROM THE SECRETARY OF THE CORPORATION. 



The
following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: 



	TEN COM	-	 	as tenants in common	UNIF GIFT MIN ACT- . . . . .Custodian. . . .
	TEN ENT	-	 	as tenants by the entireties	(Cust)        (Minor)
	JT TEN	-	 	as joint tenants with right of	under Uniform Gifts to Minors
	 	 	 	survivorship and not as tenants	Act. . . . . . . . . . . . . .
	 	 	 	in common	(State)          




Additional
abbreviations may also be used though not in the above list. 


For
value received, __________________________________ hereby sell, assign and transfer unto 


PLEASE INSERT SOCIAL SECURITY OR OTHER

IDENTIFYING NUMBER OF ASSIGNEE

--------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------------------
 (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

----------------------------------------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------------------------------- shares

of the capital stock represented by the within Certificate, and do hereby irrevocably constitute and appoint 


------------------------------------------------------------------------------------------------------------------------
Attorney

to transfer the said stock on the books of the within named Company with full power of substitution

in the premises. 



Dated

           ------------------------------------------- 








NOTICE --------------------------------------------------------------------------------
 THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND

WITH THE NAME AS WRITTEN UPON THE FACE OF THE

CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION

OR ENLARGEMENT OR ANY CHANGE WHATEVER.









Signature(s)
Guaranteed: 



--------------------------------------------------------------------------------------------------
 THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE

GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS

AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP

IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM),

PURSUANT TO S.E.C. RULE 17Ad-15. 


KEEP THIS CERTIFICATE IN A SAFE PLACE. IF IT IS LOST, STOLEN, MUTILATED OR DESTROYED, THE CORPORATION WILL REQUIRE A BOND
OF INDEMNITY AS A CONDITION TO THE ISSUANCE OF A REPLACEMENT CERTIFICATE. 











QuickLinks



Exhibit 4.4