SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Natural Gas Partners VIII, L.P. (Last) (First) (Middle) 125 E. JOHN CARPENTER FREEWAY SUITE 600 (Street) IRVING TX 75062 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/29/2011	3. Issuer Name and Ticker or Trading Symbol Renewable Energy Group, Inc. [ NONE ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	10,304(1)	D(3)
Common Stock	11,054(2)	D(4)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A Preferred Stock	(5)	(5)	Common Stock	2,559,808	(5)	D(3)
Common Stock Warrant (Right to Buy)	(7)	(7)	Common Stock	210,227	(6)	D(3)
Common Stock Warrant (Right to Buy)	(8)	(8)	Common Stock	187,500	$9.5	D(4)
Series A Preferred Stock	(5)	(5)	Common Stock	2,559,808	(5)	D(9)
Common Stock Warrant (Right to Buy)	(7)	(7)	Common Stock	22,727	$11	D(9)

1. Name and Address of Reporting Person* Natural Gas Partners VIII, L.P. (Last) (First) (Middle) 125 E. JOHN CARPENTER FREEWAY SUITE 600 (Street) IRVING TX 75062 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* NGP Energy Technology Partners, L.P. (Last) (First) (Middle) 1700 K STREET NW SUITE 750 (Street) WASHINGTON DC 20006 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* NGP ETP, L.L.C. (Last) (First) (Middle) 1700 K STREET, NW SUITE 750 (Street) WASHINGTON DC 20006 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Energy Technology Partners, L.L.C. (Last) (First) (Middle) 1700 K STREET, NW SUITE 750 (Street) WASHINGTON DC 20006 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* DEUTCH PHILIP J (Last) (First) (Middle) 1700 K STREET, NW SUITE 750 (Street) WASHINGTON DC 20006 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Includes 9,208 restricted stock units.

2. Includes 9,958 restricted stock units.

3. These securities are directly owned by Natural Gas Partners VIII, L.P. ("NGP VIII"). These securities may be deemed to be beneficially owned by G.F.W. Energy VIII, L.P. ("GFW LP") and GFW VIII, L.L.C. ("GFW LLC"). GFW LP is the general partner of NGP VIII. GFW LLC is the general partner of GFW LP. Each of GFW LP and GFW LLC disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that any such person is the beneficial owner of the securities for purposes of Section 16 ("Section 16") of the Securities Act of 1934, as amended, or for any other purpose.

4. These securities are directly owned by Energy Technology Partners, L.L.C. ("ETP"). These securities may be deemed to be beneficially owned by Philip J. Deutch ("Deutch"), who is the manager of ETP. Deutch disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that any such person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

5. The convertible preferred stock is convertible at any time, at the holder's election, on a one-for-one basis (subject to adjustment as provided for in its certificate of designation) and has no expiration date.

6. Exercise Prices ranging from $9.50 to $11.00 per share.

7. The warrants are exercisable immediately with the last to expire on July 18, 2015.

8. The warrants are exercisable immediately with the last to expire on December 22, 2014.

9. These securities are directly owned by NGP Energy Technology Partners, L.P. ("NGP Energy Tech"). These securities may be deemed to be beneficially owned by NGP ETP, L.L.C. ("NGP ETP"), ETP and Deutch. NGP ETP is the general partner of NGP Energy Tech. ETP is the manager of NGP ETP. Deutch is the manager of ETP. Each of NGP ETP, ETP and Deutch disclaims beneficial ownership of the reported securities except to the extent of his or its peruniary interest therein, and this report shall not be deemed on admission that any such person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

	Natural Gas Partners VIII, L.P., By: G.F.W. Energy VIII, L.P., Its: General Partner, By: GFW VIII, L.L.C., Its: General Partner, By: /s/ Kenneth A. Hersh, Its: Authorized Member	04/29/2011
	NGP Energy Technology Partners, L.P., By: NGP ETP, L.L.C., Its: General Partner, By: /s/ Philip J. Deutch, Its: Authorized Member	04/29/2011
	NGP ETP, L.L.C., By: Energy Technology Partners, L.L.C., Its: Manager, By: /s/ Philip J. Deutch, Its: Authorized Member	04/29/2011
	Energy Technology Partners, L.L.C., By: /s/ Philip J. Deutch, Title: Sole Member and Manager	04/29/2011
	/s/ Philip J. Deutch	04/29/2011
	** Signature of Reporting Person	Date
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