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Aemetis Hosts California Agriculture Secretary Karen Ross at Keyes Biofuels Facility and Dairy RNG Sites

Visit Highlights Aemetis Leadership on Circular Bioeconomy, Supporting Climate Change Mitigation Through Use of Agricultural Waste to Manufacture Negative Carbon Intensity Gas & Biofuels


CUPERTINO, CA - (NewMediaWire) - February 10, 2023 - Aemetis, Inc. (NASDAQ: AMTX), a renewable natural gas and renewable fuels company focused on negative carbon intensity products, announced today that it hosted California Department of Food and Agriculture (CDFA) Secretary Karen Ross for a discussion and site tours of the companys renewable biofuel and dairy-based renewable natural gas (RNG) facilities on February 9, 2023.  Former CDFA and USDA Secretary Ann Veneman, Stanislaus County Supervisor Vito Chiesa, and other dignitaries joined the tour and discussion of the companys vision and leadership regarding the creation of a Circular Bioeconomy in Californias Central Valley that couples the production of low or below zero carbon intensity (CI) renewable fuels with the regions abundant agricultural waste and by-products.

The visit was organized in conjunction with the Stanislaus 2030 regional economic development initiative and BEAM Circular, a new hub for the circular bioeconomy in the North San Joaquin Valley, which seeks to align the regions strengths in agriculture and manufacturing with a growing worldwide demand for bio-based products to increase local economic opportunity and address the urgent need for climate action. Aemetis is supporting this community initiative through engagement in the North San Joaquin Valley Bioindustrial Manufacturing Innovation Engine, a coalition of state and local partners that aims to advance high-impact solutions for manufacturing sustainable bio-based products at scale. 

"Aemetis offers a very compelling circular bioeconomy vision that can serve as an effective template for companies and organizations in the Northern San Joaquin Valley,” said Karen Ross, Secretary of the California Department of Food and Agriculture.  “From operating dairy digesters to produce RNG or utilizing renewable feedstocks for the production of biofuels, Aemetis is demonstrating opportunities to reduce greenhouse gas emissions and spur economic development by leveraging the region’s strong agricultural and manufacturing assets,” Ross added.

“We strongly support the outstanding work that Secretary Ross has done at CDFA to promote agriculture’s central role in addressing global warming, coupled with the advancement of policies and programs that private sector companies such as Aemetis can utilize to meet California’s aggressive decarbonization goals,” said Eric McAfee, Chairman and CEO of Aemetis, Inc.

In 2021, Aemetis announced a multi-tiered circular bioeconomic strategy that incorporates diverted agricultural waste and residues for the production of RNG, sustainable aviation fuel (SAF), renewable diesel (RD), and cellulosic ethanol.

About 25% of the methane emissions in California are emitted from dairy waste lagoons. When fully built, the Aemetis biogas to RNG project plans to connect dairy digesters spanning approximately 60 dairy farms, capturing more than 1.65 MMBtu of dairy methane each year. The fully operational project is designed to reduce greenhouse gas emissions equivalent to an estimated 6.8 million metric tonnes of carbon dioxide over ten years.

Aemetis is also in the final detailed engineering phase of constructing a 90 million gallon per year sustainable aviation fuel and renewable diesel production facility, which is designed to be built at the 125-acre former U.S. Army Ammunition plant site, now known as the Riverbank Industrial Complex, in nearby Riverbank, California.  Powered by 100% renewable electricity, the Aemetis Carbon Zero production plant design utilizes renewable hydrogen. The renewable hydrogen is used to hydrotreat renewable oils to produce renewable aviation and diesel fuel to fulfill $7 billion of aviation and diesel contracts signed with ten airlines and a major travel stop company.

Aemetis is also expected to utilize sugar extracted from local orchard wood waste in the production of advanced cellulosic ethanol at the Keyes plant.

To further reduce carbon intensity, the Aemetis Carbon Zero design includes capturing CO2 from the production plant and injecting the compressed CO2 into a sequestration well at the Riverbank site.  The project is designed to permanently store an estimated 300,000 metric tonnes of CO2 each year from the plant and an additional 1 million MT of CO2 from other sources in California.

About Aemetis

Headquartered in Cupertino, California, Aemetis is a renewable natural gas, renewable fuel and biochemicals company focused on the acquisition, development and commercialization of innovative technologies that replace petroleum-based products and reduce greenhouse gas emissions.  Founded in 2006, Aemetis has completed Phase I and Phase II and is expanding a California biogas digester network and pipeline system to convert dairy waste gas into Renewable Natural Gas. Aemetis owns and operates a 65 million gallon per year ethanol production facility in Californias Central Valley near Modesto that supplies about 80 dairies with animal feed. Aemetis also owns and operates a 50 million gallon per year production facility on the East Coast of India producing high quality distilled biodiesel and refined glycerin for customers in India and Europe.  Aemetis is developing sustainable aviation fuel (SAF) and renewable diesel fuel biorefineries in California to utilize distillers corn oil and other renewable oils to produce low carbon intensity renewable jet and diesel fuel using cellulosic hydrogen from waste orchard and forest wood, while pre-extracting cellulosic sugars from the waste wood to be processed into high value cellulosic ethanol at the Keyes plant. Aemetis holds a portfolio of patents and exclusive technology licenses to produce renewable fuels and biochemicals.  For additional information about Aemetis, please visit

Safe Harbor Statement

This news release contains forward-looking statements, including statements regarding assumptions, projections, expectations, targets, intentions or beliefs about future events or other statements that are not historical facts. Forward-looking statements in this news release include, without limitation, statements relating to the development and construction of the Aemetis biogas project, expected greenhouse gas emission reductions from the Aemetis biogas project, and our ability to finance, permit, develop and deploy technologies to produce renewable fuels and biochemicals. Words or phrases such as “anticipates,” “may,” “will,” “should,” “believes,” “estimates,” “expects,” “intends,” “plans,” “predicts,” “projects,” “showing signs,” “targets,” “view,” “will likely result,” “will continue” or similar expressions are intended to identify forward-looking statements. These forward-looking statements are based on current assumptions and predictions and are subject to numerous risks and uncertainties.  Actual results or events could differ materially from those set forth or implied by such forward-looking statements and related assumptions due to certain factors, including, without limitation, competition in the ethanol, biodiesel and other industries in which we operate, commodity market risks including those that may result from current weather conditions, financial market risks, customer adoption, counter-party risks, risks associated with changes to federal policy or regulation, and other risks detailed in our reports filed with the Securities and Exchange Commission, including our Annual Report on Form 10-K for the year ended December 31, 2021 and in our subsequent filings with the SEC.  We are not obligated, and do not intend, to update any of these forward-looking statements at any time unless an update is required by applicable securities laws.


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