EXHIBIT 3.1

                              Articles of Amendment

     Filed pursuant to section  7-90-301,  et seq. and section  7-110-106 of the
Colorado Revised Statutes (C.R.S.)

ID number: 19871708475

1.   Entity name: Tonga Capital Corporation

2.   New Entity name: Momentum Biofuels, Inc.

3.   Use of Restricted Words: None

4.   Other amendments, if any, are attached. None

5.   If the amendment provides for an exchange, reclassification or cancellation
     of issued shares,  the attachment state the provisions for implementing the
     amendment.

6.   If the corporation's  period of duration as amended is less than perpetual,
     state the date on which the period of duration expires:

         OR

         If the corporation's  period of duration as amended is perpetual,  mark
this box: X

7.   Delayed effective date: 10/22/2007 8:00 AM

Notice:

Causing this document to be delivered to the secretary of state for filing shall
constitute the affirmation or  acknowledgment  of each  individual  causing such
deliver,  under penalties of perjury, that the individual in good faith believes
the document is the act and deed of the person on whose behalf the individual is
causing the document to be delivered for filing,  taken in  conformity  with the
requirements  of part 3 of  article  90 of  title  7,  C.R.S.,  the  constituent
documents,  and the  organic  statutes,  and that the  individual  in good faith
believes the facts  stated in the  document  are true and the document  complies
with the requirements of that Part, the constituent  documents,  and the organic
statutes.

This perjury  notice  applies to each  individual who causes this document to be
delivered to the secretary of state,  whether or not such individual is named in
the document as one who has caused it to be delivered.

8.   Name(s) and  address(es)  of the  individual(s)  causing the document to be
     delivered for filing: Michael Littman, 7609 Ralston Road, Arvada, CO 80002,
     United States.

Disclaimer:

This form,  and any related  instructions,  are not  intended to provide  legal,
business  or  tax  advice,   and  are  offered  as  a  public  service   without
representation or warranty. While this form is believed to satisfy minimum legal
requirements  as of its revision date,  compliance  with  applicable law, as the
same may be amended from time to time, remains the responsibility of the user of
this form. Questions should be addressed to the user's attorney.