Aemetis
NASDAQ:AMTXAemetis, Inc. operates as a renewable natural gas and renewable fuels company. It operates through three segments: California Ethanol, California Dairy Renewable Natural Gas, and India Biodiesel. The company focuses on the acquisition, development, and commercialization of negative carbon intensity products and technologies that replace traditional petroleum-based products. In addition, it produces and sells ethanol; and wet distillers grains, distillers corn oil, and condensed distillers solubles to dairies and feedlots as animal feed. Further, the company markets and supplies high-grade alcohol and hand sanitizer. Additionally, it researches and develops conversion technologies using waste feedstocks to produce biofuels and biochemicals. Furthermore, it sells biodiesel primarily to government oil marketing companies, transport companies, resellers, distributors, and private refiners through its own sales force and independent sales agents, as well as to brokers who resell the product to end-users. Aemetis, Inc. was founded in 2005 and is headquartered in Cupertino, California.
Gevo
NASDAQ:GEVOGevo, Inc. operates as a carbon abatement company. It operates through three segments: Gevo, Agri-Energy, and Renewable Natural Gas. The company focuses on transforming renewable energy into energy-dense liquid hydrocarbons that can be used as renewable fuels. It offers renewable gasoline and diesel, isobutanol, sustainable aviation fuel, renewable natural gas, isobutylene, ethanol, and animal feed and protein. The company was formerly known as Methanotech, Inc. and changed its name to Gevo, Inc. in March 2006. Gevo, Inc. was incorporated in 2005 and is headquartered in Englewood, Colorado.
Alto Ingredients
NASDAQ:PEIXAlto Ingredients, Inc. produces and markets low-carbon renewable fuels and alcohol products in the United States. The company operates in two segments, Production and Marketing. It produces and markets ethanol; and co-products, such as wet and dry distillers grains, wet and dry corn gluten feed, condensed distillers solubles, corn gluten meal, corn germ, corn oil, dried yeast, and CO2, as well as markets ethanol produced by third parties. The company also offers ethanol transportation, storage, and delivery services through third-party service providers. It sells ethanol to integrated oil companies and gasoline marketers; distillers grains and other feed co-products to dairies and feedlots; and corn oil to poultry and biodiesel customers. The company owns and operates nine ethanol production facilities, including four plants located in the Western states of California, Oregon, and Idaho; and five plants in the Midwestern states of Illinois and Nebraska. The company was formerly known as Pacific Ethanol, Inc. and changed its name to Alto Ingredients, Inc. in January 2021. Alto Ingredients, Inc. was founded in 2003 and is headquartered in Sacramento, California.
Tantech
NASDAQ:TANHTantech Holdings Ltd, together with its subsidiaries, develops and manufactures bamboo-based charcoal products for industrial energy, household cooking, heating, purification, agricultural, and cleaning applications in the People's Republic of China and internationally. The company operates in three segments: Consumer Products, Electric Vehicles, and Biodegradable Packaging. It provides pressed and formed charcoal briquettes for use in grills, incense burners, and other applications under the Algold brand. The company also offers Charcoal Doctor branded products, such as air purifiers and humidifiers, automotive accessories for air purification, underfloor humidity control products, pillows and mattresses, wardrobe deodorizers, mouse pads and wrist mats, refrigerator deodorants, charcoal toilet cleaner disks, liquid charcoal cleaners, shoe insoles, and decorative charcoal gifts. In addition, it provides bamboo vinegar, a liquid byproduct for use in disinfectants, detergents, lotions, specialized soaps, toilet cleaners, and fertilizers, as well as in various agricultural applications; and trades in charcoal products. Further, the company develops and sells electric buses, electric logistics cars, and specialty electric vehicles, such as brushless cleaning cars, electric cleaning cars, special emergency vehicles, and funeral cars; and solar cells, lithium-ion batteries, auto parts, and electric control systems. It is also involved in the biodegradable packaging and supply chain businesses, as well as provides commercial factoring services. The company was founded in 1998 and is headquartered in Lishui, the People's Republic of China.