Company Description
Aemetis, Inc. (NASDAQ: AMTX) is a renewable natural gas, renewable fuel, and biochemicals company that focuses on technologies designed to lower fuel costs and reduce emissions. According to company disclosures, Aemetis is headquartered in Cupertino, California and was founded in 2006. The company operates in the manufacturing sector and is involved in renewable natural gas, biofuels, and related chemical products.
Aemetis states that its strategy centers on the operation, acquisition, development, and commercialization of technologies that replace petroleum products and reduce greenhouse gas emissions. The company reports activities in both North America and India, reflecting a multi-geography operating footprint.
Renewable Natural Gas and Biogas Digesters
Aemetis reports that it is operating and expanding a California biogas digester network and pipeline system that converts dairy waste gas into Renewable Natural Gas (RNG). Company updates describe multiple operating dairy digesters supplying biogas, with CARB Low Carbon Fuel Standard (LCFS) pathways approved for several projects. This dairy RNG platform is positioned by Aemetis as a key source of revenue through RNG molecule sales and environmental credits, including D3 RINs, LCFS credits, and federal Section 45Z production tax credits.
The company’s Aemetis Biogas LLC subsidiary has entered into financing and preferred unit arrangements, as described in SEC filings, to support the development of this RNG platform. Aemetis highlights that its RNG activities are intended to produce low or negative carbon intensity fuel by capturing and utilizing dairy waste gas.
California Ethanol Operations
Aemetis owns and operates a 65 million gallon per year ethanol production facility in California’s Central Valley near Modesto, often referred to as the Aemetis Advanced Fuels Keyes plant. Company descriptions state that this plant has been operating since 2011 and supplies animal feed to about 80 dairies in the California Central Valley. The plant also captures carbon dioxide that is reused as beverage-grade CO2 for food production and other uses.
The Keyes ethanol facility is a core part of Aemetis’ California operations. The company reports ongoing investments to reduce the carbon intensity of its ethanol, including a Mechanical Vapor Recompression (MVR) energy efficiency project. According to Aemetis, the MVR system is designed to reduce natural gas usage at the plant, lower the carbon intensity of ethanol, and increase the value of LCFS and Section 45Z tax credits associated with production.
India Biodiesel and Refined Glycerin
Aemetis also owns and operates an 80 million gallon per year production facility on the East Coast of India. Company materials describe this facility as producing high quality distilled biodiesel and refined glycerin. Aemetis reports that these products are sold to customers in India and Europe, including deliveries to India government-owned Oil Marketing Companies under biodiesel orders.
The India operations are identified as a distinct segment in Aemetis’ business, contributing to revenues through biodiesel sales and related products. The company has also discussed plans related to its India subsidiary, but the core evergreen fact is that this facility produces biodiesel and refined glycerin for regional and export markets.
Tax Credits, Regulatory Programs, and Cash Flow
Aemetis frequently references participation in federal and state clean fuel incentive programs. Company announcements describe generating and monetizing:
- Federal Section 45Z Clean Fuel Production Credits related to renewable natural gas and fuel production
- Federal Section 48 and 48C investment tax credits associated with qualifying energy and efficiency projects
- California LCFS credits tied to low carbon intensity fuels and approved dairy RNG pathways
The company has reported sales of federal clean energy tax credits and the expectation that such credits can provide recurring sources of cash flow to support expansion of production and related projects. These incentives are presented by Aemetis as an integral part of its financial and project development model.
Development Projects: SAF, Renewable Diesel, and CO2 Sequestration
In addition to operating facilities, Aemetis states that it is developing a sustainable aviation fuel (SAF) and renewable diesel biorefinery in California. Company descriptions note that this planned facility is intended to utilize renewable hydrogen, hydroelectric power, and renewable oils to produce low carbon intensity renewable jet and diesel fuel. Aemetis also reports work on a carbon sequestration well project in California, as well as a CO2 sequestration project, which are aimed at permanently storing carbon dioxide associated with its fuel production.
These development-stage projects are described as part of Aemetis’ broader decarbonization strategy, complementing its dairy RNG and ethanol operations. They are presented as future-oriented initiatives rather than currently operating plants.
Business Model and Industry Positioning
Across its disclosures, Aemetis characterizes itself as a renewable natural gas, renewable fuel, and biochemicals company focused on low and negative carbon intensity products. The company’s business model, as described in its materials, combines:
- Operation of ethanol and biodiesel production facilities
- Development and operation of dairy biogas digesters and RNG pipeline infrastructure
- Participation in environmental credit and tax credit programs, including LCFS, RINs, and federal production and investment tax credits
- Development of SAF, renewable diesel, and carbon sequestration projects
According to prior descriptions, Aemetis’ activities fall within the broader category of chemical and fuel manufacturing, including the conversion of first-generation ethanol and biodiesel plants into biorefineries that produce renewable fuels and biochemicals.
Corporate Structure and Regulatory Filings
Aemetis, Inc. is incorporated in Delaware and its common stock trades on the NASDAQ Global Market under the symbol AMTX, as indicated in SEC filings. The company files periodic and current reports with the U.S. Securities and Exchange Commission, including Forms 10-K, 10-Q, and 8-K. These filings provide details on its financial condition, results of operations, material agreements, and risk factors.
Subsidiaries such as Aemetis Biogas LLC are used to hold and finance specific projects, including dairy RNG infrastructure. SEC filings describe preferred unit purchase agreements and related amendments that govern financing arrangements for these subsidiaries.
Risk and Considerations
Aemetis’ own disclosures highlight that its business is influenced by factors such as commodity prices, regulatory policy for renewable fuels, access to capital, and the timing and outcome of project development. The company’s forward-looking statements emphasize that actual results may differ from expectations due to competition in ethanol, biodiesel, and RNG markets, changes in government programs, and other risks described in its SEC reports.
Investors and observers typically review Aemetis’ public filings, press releases, and regulatory disclosures to understand the company’s evolving project pipeline, financial performance, and exposure to policy and market conditions in the renewable fuels and chemicals sector.
Stock Performance
Aemetis (AMTX) stock last traded at $2.58, up 0.38% from the previous close. Over the past 12 months, the stock has gained 30.6%. At a market capitalization of $175.2M, AMTX is classified as a micro-cap stock with approximately 66.6M shares outstanding.
Latest News
Aemetis has 10 recent news articles, with the latest published 4 days ago. Of the recent coverage, 5 articles coincided with positive price movement and 5 with negative movement. Key topics include earnings. View all AMTX news →
SEC Filings
Aemetis has filed 5 recent SEC filings, including 4 Form 8-K, 1 Form 10-K. The most recent filing was submitted on March 16, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all AMTX SEC filings →
Financial Highlights
Aemetis generated $197.6M in revenue over the trailing twelve months, retaining a -0.4% gross margin, operating income reached -$37.2M (-18.8% operating margin), and net income was -$77.0M, reflecting a -39.0% net profit margin. Diluted earnings per share stood at $-1.28. The company generated $3.3M in operating cash flow. With a current ratio of 0.07, short-term liquidity bears monitoring.
Upcoming Events
Plant upgrade completion
MVR system completion
Section 45Z PTC availability
Aemetis has 3 upcoming scheduled events. The next event, "Plant upgrade completion", is scheduled for April 1, 2026 (in 11 days). Investors can track these dates to stay informed about potential catalysts that may affect the AMTX stock price.
Short Interest History
Short interest in Aemetis (AMTX) currently stands at 5.1 million shares, up 5.7% from the previous reporting period, representing 8.2% of the float. Over the past 12 months, short interest has decreased by 39.1%.
Days to Cover History
Days to cover for Aemetis (AMTX) currently stands at 4.2 days, down 34.1% from the previous period. This days-to-cover ratio represents a balanced liquidity scenario for short positions. The days to cover has decreased 60.5% over the past year, suggesting improved liquidity for short covering. The ratio has shown significant volatility over the period, ranging from 2.1 to 13.0 days.
AMTX Company Profile & Sector Positioning
Aemetis (AMTX) operates in the Specialty Chemicals industry within the broader Industrial Organic Chemicals sector and is listed on the NASDAQ.
Investors comparing AMTX often look at related companies in the same sector, including Flexible Solutn (FSI), Futurefuel Corp (FF), Alto Ingredients Inc (ALTO), Core Molding (CMT), and 5E Advanced Materials Inc (FEAM). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate AMTX's relative position within its industry.