Gevo eyes ATJ-30 (30M gal/yr) under extended DOE LPO backing

Rhea-AI Filing Summary

Gevo (GEVO) announced that the U.S. Department of Energy’s Loan Programs Office extended its conditional commitment to guarantee a $1.46 billion loan (excluding $167 million in capitalized interest during construction) for the company’s ATJ-60 synthetic aviation fuel project in Lake Preston, South Dakota. The commitment now runs through April 16, 2026.

The extension allows Gevo and the DOE LPO to evaluate potential project-scope changes aligned with energy policies and priorities. Options under review include building a lower-cost ATJ-30 facility targeting 30 million gallons per year of jet fuel at Gevo’s existing ethanol and carbon capture site in North Dakota, and optimizing the use of captured CO2 for enhanced oil recovery.

Insights

Project finance & energy transition analyst

Conditional DOE support extended; scope may shift to ATJ-30.

The extension keeps DOE LPO’s conditional support in place for Gevo’s synthetic aviation fuel buildout, maintaining access to a potential $1.46 billion loan guarantee while the parties reassess the project. A conditional commitment is not a final loan, but it signals continued engagement under DOE priorities.

Evaluated modifications include shifting from an ATJ-60 greenfield design to an ATJ-30 configuration at an existing North Dakota site and leveraging captured CO2 for enhanced oil recovery. These options could change capital needs and timelines, but specifics are not provided in the excerpt.

Key anchors are the extension through April 16, 2026 and the potential 30 million gallons per year ATJ-30 pathway. Actual impact will depend on finalized scope and any definitive loan closing terms disclosed in subsequent filings.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 14, 2025

Gevo, Inc.

(Exact name of registrant as specified in its charter)

Delaware	001-35073	87-0747704
(State or other jurisdiction	(Commission File Number)	(IRS Employer
of incorporation)		Identification No.)

345 Inverness Drive South, Building C, Suite 310
Englewood, CO 80112

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (303) 858-8358

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading symbol		Name of exchange on which registered
Common Stock, par value $0.01 per share		GEVO		Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 8.01.     Other Events.

Previously, Gevo, Inc. (the “Company”) announced on October 16, 2024, that it secured conditional commitment (the “Conditional Commitment”) from U.S. Department of Energy Loan Programs Office (the “DOE LPO”) to guarantee a $1.46 billion (excluding $167 million in capitalized interest during construction) loan for its ATJ-60 synthetic aviation fuel project (formerly known as Net-Zero 1) in Lake Preston, South Dakota. On October 8, 2025, the company received a letter from the DOE LPO granting an extension of the Conditional Commitment until April 16, 2026 (the “Extension”). The Extension allows the Company and DOE LPO to evaluate certain potential modifications to the project scope under the Conditional Commitment in order to address energy policies and priorities. The Conditional Commitment will remain effective during the extension period in order to allow for modifications which satisfy the DOE LPO. The potential scope modifications include the construction of a lower cost 30 million gallon per year jet fuel production facility (“ATJ-30”) to develop jet fuel production at the Company's existing ethanol and carbon capture utilization and storage facility in North Dakota and the optimal use of captured carbon dioxide for enhanced oil recovery.

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 hereunto duly authorized.

	GEVO, INC.
Dated: October 14, 2025	By:	/s/ E. Cabell Massey
		E. Cabell Massey
		Vice President, Legal and Corporate Secretary

FAQ

What did GEVO disclose in this 8-K?

Gevo received a DOE LPO extension of its conditional commitment to guarantee a $1.46 billion loan, now effective through April 16, 2026.

What project is covered by the DOE LPO conditional commitment for GEVO?

The commitment relates to Gevo’s ATJ-60 synthetic aviation fuel project (formerly Net-Zero 1) in Lake Preston, South Dakota.

What potential scope changes is GEVO evaluating?

A lower-cost ATJ-30 facility producing 30 million gallons per year in North Dakota and optimal use of captured CO2 for enhanced oil recovery.

Does the extension mean GEVO has received the loan funds?

No. It is a conditional commitment to guarantee a loan; it is not a final loan closing.

What amounts did GEVO highlight beyond the loan guarantee size?

The company noted exclusion of $167 million in capitalized interest during construction from the $1.46 billion figure.

How long does the DOE LPO extension last for GEVO?

Through April 16, 2026.