In California, the biofuel industry focuses on creating sustainable alternatives to traditional fossil fuels. Companies within this sector specialize in various forms of biofuels, including biodiesel, renewable diesel, and advanced biofuels derived from innovative feedstocks. As the demand for cleaner energy solutions grows, these firms are harnessing technology to produce fuels that significantly cut greenhouse gas emissions. Collaborations are increasingly common, and the integration of waste-to-fuel technologies underscores the potential for circular economy solutions. California’s progressive regulations further drive investment and innovation, making it a critical hub for the future of biofuels.

The companies listed represent a mix of small and medium-sized enterprises in California, primarily located in urban centers like San Diego and Sacramento. Founded between 2000 and 2025, they focus on multiple specializations, from algae-based biofuels at Viridos to agricultural waste transformation by Agra Energy. Most of them are venture capital-backed, demonstrating a solid interest in the sector's growth potential. These firms are honing in on both established products and novel solutions that reflect the industry's promising trajectory.

Continue reading to explore California's top biofuel companies.

Top 19 Biofuel Companies Companies in California

1. Viridos

• Website: viridos.com
• Ownership type: Venture Capital
• Headquarters: San Diego, California, United States (USA)
• Latest funding: Series A, $25.0M, March 2023
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: synthetic-genomics

Viridos, based in San Diego, California, is a biotechnology firm that specializes in algal biofuels. Founded in 2005, the company has a rich history in synthetic biology, having pioneered significant advancements in genomic research. Viridos focuses on creating low-carbon intensity biofuels aimed at decarbonizing heavy transportation, including aviation, trucking, and maritime shipping. Their innovative approach leverages advanced genetic engineering to optimize microalgae for oil production, achieving levels of productivity previously unseen in the industry. The company operates the California Advanced Algal Facility, a pilot site dedicated to testing and farming algae strains optimized for biofuel production. Recently, Viridos secured $25 million in Series A funding in March 2023, indicating strong investor confidence in their technology and market potential. Their commitment to sustainability is evident in their use of non-arable land and saline water for algae cultivation, minimizing competition for freshwater resources. Overall, Viridos is positioned as a forward-thinking player in the biofuel sector, with a focus on scalable and sustainable solutions.

2. Oberon Fuels

• Website: oberonfuels.com
• Ownership type: Venture Capital
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: October 2020
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: oberon-fuels

Oberon Fuels, founded in 2010 and based in San Diego, California, is a renewable energy company that specializes in producing sustainable fuels, including renewable dimethyl ether (DME), methanol, and hydrogen. The company operates the Maverick Innovation Center, which is notable for being the first commercial-scale production facility for renewable DME in the United States, achieving operational status in 2021. Oberon Fuels focuses on utilizing renewable feedstocks such as biogas and organic waste, which allows them to create fuels with significantly lower carbon intensity compared to traditional fossil fuels. Their products are designed to cater to the energy and transportation sectors, aiming to reduce carbon emissions and enhance environmental sustainability. Oberon Fuels is actively involved in various projects aimed at expanding their production capacity and has plans for additional plants to increase their output to over 200 million gallons per year in the coming years. The company has also received recognition for its innovative approaches, including awards for its contributions to reducing emissions in the propane sector.

3. Prometheus

• Website: prometheusfuels.com
• Ownership type: Venture Capital
• Headquarters: Santa Cruz, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series B, September 2021
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: prometheusfuels

Prometheus Fuels, founded in 2019 and based in Santa Cruz, California, is a venture capital-backed company specializing in renewable energy solutions. The firm focuses on the production of electrofuels and employs advanced carbon capture technology to create sustainable fuel alternatives. Prometheus caters to various businesses, including airlines, aiming to reduce their carbon emissions. Their innovative technologies have led to significant advancements, such as the development of a commercial-scale stack design that promises the lowest cost fuel production. Recently, they made headlines by securing a deal with American Airlines for the purchase of 10 million gallons of their jet fuel, showcasing their relevance and impact in the biofuel market. Prometheus is also recognized for achieving the world's lowest cost for direct air capture of CO2, further solidifying their position in the renewable energy sector.

4. Chevron Lummus Global (CLG)

• Website: chevronlummus.com
• Ownership type: Private
• Headquarters: Richmond, California, United States (USA)
• Employee distribution: United States (USA) 56%, Netherlands 10%, Czech Republic 10%, Other 25%
• Founded year: 2000
• Headcount: 201-500
• LinkedIn: chevronlummusglobal

Chevron Lummus Global (CLG), founded in 2000 and based in Richmond, California, is a technology provider that specializes in the production of renewable and conventional fuels, premium base oils, and sustainable petrochemicals. The company operates as a joint venture between Chevron U.S.A. Inc. and Lummus Technology. CLG offers advanced hydroprocessing technologies that enhance production efficiency and help meet environmental standards. Their portfolio includes innovative solutions for renewable fuels, particularly through their Biofuels ISOCONVERSION and ISOTERRA technologies. These processes enable refineries to convert waste feedstocks and lipid-rich materials into ASTM-approved renewable diesel and sustainable aviation fuel. CLG's expertise in hydroprocessing and catalyst development positions them as a significant contributor to the biofuel industry, supporting the transition towards more sustainable energy sources.

5. Infinium

• Website: infiniumco.com
• Ownership type: Venture Capital
• Headquarters: Sacramento, California, United States (USA)
• Employee distribution: United States (USA) 92%, United Kingdom (UK) 8%
• Latest funding: Series C, January 2025
• Founded year: 2020
• Headcount: 51-200
• LinkedIn: infiniumco

Infinium, founded in 2020 and based in Sacramento, California, is an energy company dedicated to producing ultra-low carbon electrofuels. These include sustainable aviation fuel (eSAF), eDiesel, and eNaphtha, which are designed to replace conventional petroleum-based fuels in various sectors, including aviation, transportation, and chemicals. Infinium operates a commercial scale facility known as Project Pathfinder, which is the first of its kind to produce drop-in eFuels. The company is actively involved in multiple projects globally, aiming to support the transition to sustainable energy solutions. Infinium's innovative approach utilizes waste CO2 and green hydrogen derived from renewable energy, positioning it as a key player in the effort to decarbonize industries that are traditionally reliant on fossil fuels.

6. WasteFuel

• Website: wastefuel.com
• Ownership type: Venture Capital
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 65%, United Kingdom (UK) 18%, Philippines 18%
• Latest funding: Series B, $10.0M, July 2023
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: wastefuel-holdings

WasteFuel is a California-based biofuels company founded in 2018, dedicated to transforming municipal and agricultural waste into sustainable fuels, including green methanol and renewable natural gas. The company employs proven technologies to convert waste into low-carbon energy solutions, addressing both the waste crisis and the climate emergency. WasteFuel has developed the WasteFuel Methanol Module™, a modular system designed to produce fuel-grade methanol from various waste sources, including landfill gas and biogas. This innovative technology aims to significantly reduce greenhouse gas emissions compared to conventional fuels. Recently, WasteFuel raised $10 million in Series B funding, which reflects strong investor confidence in their mission. The company collaborates with strategic partners to enhance the efficiency of their biorefinery projects, positioning themselves as a key player in the biofuels sector.

7. Calgren

• Website: calgren.com
• Ownership type: Private
• Headquarters: Pixley, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2007
• Headcount: 51-200
• LinkedIn: calgren-renewable-fuels-llc

Calgren Renewable Fuels, founded in 2007 and based in Pixley, California, is a private company dedicated to producing sustainable fuels. The firm specializes in ethanol, renewable natural gas (RNG), and biodiesel, serving local dairy farmers and transportation companies. Calgren's ethanol production reaches 116 million gallons annually, significantly contributing to the reduction of greenhouse gas emissions. The company operates a cluster of anaerobic digesters that convert dairy manure into RNG, effectively capturing methane emissions and providing a cleaner fuel alternative for transportation. Additionally, Calgren produces biodiesel from waste oils, utilizing a unique continuous supercritical process. Their commitment to sustainability is further highlighted by their carbon capture initiatives, which repurpose CO2 emissions for various industrial applications. With a focus on innovation and community support, Calgren plays a vital role in advancing renewable energy solutions and promoting environmental stewardship.

8. Agra Energy Corporation

• Website: agraenergy.com
• Ownership type: Private
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: agraenergy

Agra Energy Corporation, founded in 2017 and based in Irvine, California, is a private renewable energy company that specializes in transforming dairy waste into renewable fuels. The company partners with dairy farms to convert methane and CO2 emissions into AGRA SYNTHETIC FUEL (ASF™), which includes renewable diesel, jet fuel, and naphtha. Their innovative Micro-GTL (gas-to-liquids) technology allows for the efficient conversion of solid animal waste into usable fuel products, addressing both environmental challenges and economic needs of their agricultural partners. Agra Energy's approach not only reduces greenhouse gas emissions but also mitigates pollution concerns associated with dairy farming. The company is actively working on commercial applications of its technology, including a pilot project in collaboration with the University of Wisconsin Oshkosh, aimed at advancing renewable fuel solutions in the agricultural sector.

9. New Leaf Biofuel

• Website: newleafbiofuel.com
• Ownership type: Corporate
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: October 2014
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: new-leaf-biofuel

New Leaf Biofuel, based in San Diego, California, is a biodiesel producer and oil recycling service provider that has been active since 2006. The company specializes in collecting used cooking oil and maintaining grease traps for restaurants in Southern California. By transforming this waste into high-quality biodiesel, New Leaf plays a crucial role in promoting environmental sustainability and reducing carbon emissions. Their operations not only support local businesses in managing waste but also ensure compliance with environmental regulations. New Leaf's biodiesel is recognized for its low carbon intensity, making it an attractive alternative to traditional diesel fuels. The company is dedicated to providing exceptional service, utilizing advanced technology for efficient operations, and fostering community engagement through job creation and environmental initiatives.

10. Twelve

• Website: twelve.co
• Ownership type: Private Equity
• Headquarters: Berkeley, California, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: March 2025
• Founded year: 2015
• Headcount: 201-500
• LinkedIn: opus-12-inc

Twelve, founded in 2015 and based in Berkeley, California, is a chemical technology company that focuses on transforming CO2 into sustainable chemicals and fuels. Their innovative technology, known as the Opus System, mimics industrial photosynthesis, converting CO2, water, and renewable energy into hydrocarbons. This process not only produces essential materials but also aims to eliminate industrial emissions, contributing to a fossil-free future. Twelve's product offerings include CO2Made materials and E-Jet SAF, a sustainable aviation fuel that boasts up to 90% lower emissions compared to conventional fuels. By targeting sectors like aviation and manufacturing, Twelve is actively involved in the push for reduced carbon footprints and sustainable practices. The company operates primarily in the United States and has a workforce of approximately 315 employees, reflecting its growth and commitment to its mission.

11. Propel Fuels

• Website: propelfuels.com
• Ownership type: Private Equity
• Headquarters: Sacramento, California, United States (USA)
• Employee distribution: United States (USA) 83%, India 17%
• Latest funding: Series D, $11.0M, December 2012
• Founded year: 2004
• Headcount: 11-50
• LinkedIn: propel-fuels

Propel Fuels, founded in 2004 and based in Sacramento, California, is a private equity-backed company that specializes in renewable fuels. The firm offers products such as Flex Fuel E85 and Diesel HPR, catering to both individual consumers and businesses. Propel Fuels aims to provide sustainable fuel options that help reduce environmental impact, reflecting a commitment to eco-friendly practices. The company also engages in wholesale fuel supply and fleet services, enhancing its service offerings in the renewable energy sector. With a small team of around 18 employees, Propel Fuels has maintained its operations for nearly two decades, indicating stability and a focused approach in the biofuel industry.

12. Phoenix Energy

• Website: phoenixenergy.net
• Ownership type: Private
• Headquarters: Walnut Creek, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 1-10
• LinkedIn: phoenix-energy-1

Phoenix Energy, founded in 2011 and based in Walnut Creek, California, is a private environmental services company dedicated to carbon removal and renewable energy generation. The firm specializes in converting waste biomass into biochar and renewable energy, catering to utility companies, farmers, and municipalities. With a mission to remove CO2 before it reaches the atmosphere, Phoenix Energy operates community-scale carbon removal plants, which are strategically located at the source of waste to minimize transportation emissions. Their projects, such as the North Fork Community Power Plant and Blue Mountain Electric Company, aim to generate renewable energy while also addressing local environmental challenges, such as wildfire risks. The company has a proven track record of carbon removal and avoidance, with ambitious plans to remove millions of metric tons of CO2 equivalent over the next decade. Phoenix Energy's approach not only supports emission reduction efforts but also fosters community partnerships and job creation in the regions they serve.

13. Honeywell UOP

• Website: uop.com
• Ownership type: Private
• Headquarters: Anaheim, California, United States (USA)
• Founded year: 1914
• Headcount: 10001+
• LinkedIn: honeywell-uop

Honeywell UOP, based in Anaheim, California, is a private technology provider founded in 1914. The company specializes in energy solutions, offering a range of products and services that include catalysts, adsorbents, and digital services. Honeywell UOP is particularly active in the renewable fuels sector, focusing on Sustainable Aviation Fuel (SAF) and other biofuels. Their innovative technologies aim to enhance operational efficiency and sustainability for businesses in the petrochemical, refining, and renewable fuels industries. With a commitment to advancing carbon capture solutions and facilitating the hydrogen economy, Honeywell UOP is positioned as a key player in the energy transition, supporting clients in their efforts to reduce carbon footprints and improve environmental outcomes.

14. Sierra Energy

• Website: sierraenergy.com
• Ownership type: Venture Capital
• Headquarters: Davis, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series A, $33.0M, July 2019
• Founded year: 2004
• Headcount: 1-10
• LinkedIn: sierra-energy

Sierra Energy, founded in 2004 and based in Davis, California, is a waste management company that specializes in innovative waste-to-energy solutions through its proprietary FastOx gasification technology. This technology allows for the conversion of various waste types, including municipal solid waste, biomass, and even hazardous materials, into clean synthesis gas. The company primarily serves military and government clients, focusing on sustainable waste management practices that aim to reduce environmental impact and enhance energy security. Sierra Energy operates a commercial-scale demonstration facility at Fort Hunter Liggett in California, where it showcases the effectiveness of its gasification system. The company has received substantial funding, including a $33 million Series A round in 2019, which underscores its potential in the biofuel sector. Sierra Energy's mission is to innovate towards a zero waste future, making it a relevant player in the biofuel industry.

15. Terviva

• Website: terviva.com
• Ownership type: Venture Capital
• Headquarters: Alameda, California, United States (USA)
• Employee distribution: India 57%, United States (USA) 41%, Other 2%
• Latest funding: October 2024
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: terviva-bioenergy

Terviva is an agricultural innovation company based in Alameda, California, founded in 2010. The company specializes in cultivating pongamia trees, which are known for their climate resilience and ability to thrive in poor-quality soils. Terviva partners with farmers to revitalize agricultural lands and produce sustainable food ingredients and biofuels. Their operations span multiple continents, including India, the United States, and Australia, where they focus on creating an equitable supply chain for their products. Terviva transforms pongamia beans into crude oil, which serves as a feedstock for biofuels, including biodiesel and renewable diesel. The company is committed to addressing food security and environmental challenges while promoting community engagement and sustainable practices. Terviva's approach not only aims to produce biofuels but also contributes to reforestation and soil health, making it a notable player in the biofuel industry.

16. Charm Industrial

• Website: charmindustrial.com
• Ownership type: Venture Capital
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series B, $100.0M, June 2023
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: charm-industrial

Charm Industrial, founded in 2018 and based in San Francisco, California, is a carbon removal technology company that specializes in converting agricultural residues into bio-oil. This bio-oil is then injected underground for permanent carbon storage, addressing both carbon emissions and sustainability challenges. The company operates by collecting agricultural waste post-harvest, utilizing pyrolysis to create a carbon-rich liquid, and ensuring its safe storage underground. With a workforce of approximately 92 employees, Charm Industrial has recently secured significant funding, including a $100 million Series B round in June 2023. Their operations not only focus on carbon removal but also aim to create community benefits, improve soil health, and support rural economies by purchasing waste biomass from farmers. This multifaceted approach positions them as a notable player in the biofuel industry.

17. Pearson Fuels

• Website: pearsonfuels.com
• Ownership type: Private
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: pearson-fuels

Pearson Fuels, founded in 2002 and based in San Diego, California, is a private fuel distributor that specializes in alternative fuels, with a particular emphasis on E85 gas. The company has positioned itself as a key player in the alternative fuel industry, focusing on expanding the availability of E85 gas stations across California. Pearson Fuels caters to both flex fuel vehicle owners and gas station operators, providing them with the necessary resources to enhance their fuel offerings. The company has been recognized for its efforts in promoting renewable fuels and reducing carbon emissions, contributing to a more sustainable energy future. Their innovative E85 Station Finder app allows users to locate nearby E85 gas stations and compare prices, further supporting the adoption of biofuels. Pearson Fuels has received funding from various governmental entities, including the California Air Resource Board and the California Energy Commission, which underscores its commitment to advancing the biofuel sector.

18. Galaxy Energy Companies

• Website: galaxyoil.com
• Ownership type: Private
• Headquarters: Fullerton, California, United States (USA)
• Employee distribution: United Arab Emirates 50%, United States (USA) 50%
• Founded year: 1998
• Headcount: 11-50
• LinkedIn: galaxy-oil-company

Galaxy Energy Companies, founded in 1998 and based in Fullerton, California, operates through its subsidiary, Best 4 Less Energy. This company specializes in automated fueling stations and renewable fuels, primarily serving the Southern California market. Best 4 Less Energy has developed a unique business model that integrates technology with fuel retailing, offering consumers savings through a mobile app while promoting environmentally friendly fuel options. Their stations provide renewable diesel, which is derived from 100% renewable sources, and E-85, a blend of gasoline and ethanol made from renewable resources. The company has partnered with municipalities to enhance local services and monetize under-utilized land, showcasing their commitment to community engagement. With seven operational stations and additional locations in development, Galaxy Energy Companies is positioned to contribute to California's demand for cleaner fuels.

19. Nuseed

• Website: nuseed.com
• Ownership type: Private
• Headquarters: West Sacramento, California, United States (USA)
• Employee distribution: United States (USA) 44%, Australia 15%, Ukraine 5%, Other 36%
• Founded year: 2006
• Headcount: 201-500
• LinkedIn: nuseed

Nuseed is an agricultural company based in West Sacramento, California, founded in 2006. It specializes in seed production and bioenergy solutions, focusing on crops such as canola, sorghum, and sunflower. Nuseed is particularly noted for its Carinata crop, which is cultivated as a non-food cover crop. This crop is specifically designed to produce oil for lower-carbon biofuel feedstock, contributing to sustainable energy solutions. The company also offers nutritional oils like Aquaterra and Nutriterra, aimed at enhancing human nutrition while reducing pressure on marine resources. Nuseed operates globally, with a presence in multiple countries and a workforce of around 299 employees. Their innovative approach to agriculture not only addresses food security but also plays a significant role in climate change mitigation through sustainable farming practices.

Biofuel Companies Insights: Key Companies in California

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