UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 

 

FORM 6-K 

 

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

 

For the month of August, 2012

 

Commission File Number: 001-34152

 

 

WESTPORT INNOVATIONS INC. 

 (Translation of registrant's name into English)

 

Suite 101, 1750 West 75th Avenue, Vancouver, British Columbia, Canada, V6P 6G2 

 (Address of principal executive offices)

 

 

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

 

£    Form 20-F    S     Form 40-F

 

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

 

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o

 

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

 

Yes    £    No   S

 

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- ________

 

 

 EXHIBIT INDEX

 

 

Exhibit		Description
99.1		News Release dated August 2, 2012 - Westport Reports Second Quarter Fiscal 2012

 

 

 

 

 

 SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

	Westport Innovations Inc.
	(Registrant)
Date: August 2, 2012	By:	/s/ Bill Larkin
		Bill Larkin Chief Financial Officer