Exhibit 3.1

CERTIFICATE OF AMENDMENT
OF
CERTIFICATE OF INCORPORATION
OF
PACIFIC ETHANOL, INC.
a Delaware corporation

PACIFIC ETHANOL, INC. a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), hereby certifies as follows:

1. The name of the Corporation is PACIFIC ETHANOL, INC.

2. That the Corporation’s Certificate of Incorporation was filed with the Secretary of State of the State of Delaware on February 28, 2005 (the “Original Certificate”). The following were subsequently filed: (i) Certificate of Designations, Powers, Preferences and Rights of the Series A Cumulative Redeemable Convertible Preferred Stock filed with the Secretary of State of Delaware on April 12, 2006; (ii) Certificate of Designations, Powers, Preferences and Rights of the Series B Cumulative Convertible Preferred Stock filed with the Secretary of State of Delaware on March 26, 2008; (iii) Certificate of Amendment of Certificate of Incorporation filed with the Secretary of State of Delaware on June 3, 2010; (iv) Certificate of Amendment of Certificate of Incorporation filed with the Secretary of State of Delaware on June 6, 2011; (v) Certificate of Amendment of Certificate of Incorporation filed with the Secretary of State of Delaware on May 10, 2013; and (vi) Certificate of Amendment of Certificate of Incorporation filed with the Secretary of State of Delaware on July 1, 2015 (the Original Certificate, together with the subsequently filed certificates, shall be collectively referred to as the “Certificate of Incorporation”).

3. The Certificate of Incorporation of the Corporation is hereby amended by striking out Article FIRST thereof and by substituting in lieu of said Article the following new Article FIRST:

“FIRST: The name of the corporation is:

Alto Ingredients, Inc.”

4. The amendment of the Certificate of Incorporation herein certified has been duly adopted in accordance with the provisions of Section 242 of the General Corporation Law of the State of Delaware.

IN WITNESS WHEREOF, said Corporation has caused this Certificate to be signed as of the 12^th day of January, 2021.