Market cap: US$348.95 million; current share price: US$10.09

Aemetis is an advanced renewable fuels and biochemicals company. It produces advanced fuels and chemicals by acquiring, developing and commercializing technologies that can replace “traditional” petroleum-based products through the conversion of first-generation ethanol and biodiesel plants into biorefineries.

The company owns and operates a 60 million gallon per year ethanol and animal feed production facility in California. In addition, Aemetis owns and operates a 50 million gallon per year integrated fuels and chemical production facility on the east coast of India. The firm produces distilled biodiesel and refined glycerin for customers in Europe and Asia at that location.

Market cap: US$388.34 million; current share price: US$5.23

With headquarters in Sacramento, California, Alto Ingredients is a producer of industrial and beverage alcohols, premium feed and food products, as well as low-carbon renewable fuel in the form of ethanol.

Alto has seven distilleries across the states of Illinois, Idaho, Oregon and California. These facilities are capable of producing ethanol co-products, including wet and dry distillers grains, wet and dry corn gluten feed, corn condensed distillers solubles, corn gluten meal, corn germ, corn oil and distillers yeast.

Market cap: US$47.02 million; current share price: US$0.59

Next on this US biofuel stocks list is Comstock, which owns a portfolio of patented and proprietary process technologies designed to convert woody biomass feedstocks into cellulosic ethanol. These technologies are also capable of producing co-products, including renewable diesel and crystalline graphite.

The company recently announced it is targeting commercial-scale, first-generation ethanol production facilities for upgrades using its cellulosic ethanol production technology. “Our goal is to accelerate the commercialization of decarbonizing technologies,” said Executive Chairman and CEO Corrado De Gasperis. “We are ready to enable dramatic improvements in GHG reductions and ethanol profitability today, with existing corn-based producers.”

Market cap: US$328.22 million; current share price: US$7.50

FutureFuel is a developer and producer of diversified chemical products, specialty organic chemicals, premium biodiesel and other biofuels, such as ethanol and biomass solids.

FutureFuel launched its biofuels product platform in 2005, and has a current biodiesel production capacity of 59 million gallons per year. In 2021, it declared a special cash dividend for its investors.

Market cap: US$814.85 million; current share price: US$3.46

Gevo is a renewable chemicals and next-generation biofuels company. Its integrated fermentation technology platform, GIFT, was designed to produce low-cost renewable isobutanol, and it is comprised of two key elements: biocatalysts and a proprietary separation unit that removes isobutanol from a fermentation broth.

With headquarters in Colorado, Govo produces isobutanol, ethanol and high-value animal feed at its fermentation plant in Minnesota. Over in Texas, Gevo operates a biorefinery that converts alcohols into products that range from renewable jet fuel to octane and even ingredients for plastics.

Market cap: US$594.8 million; current share price: US$33.30

The last US biofuel stock is REX American Resources, a company that has interests in six ethanol production facilities. Through those facilities, it shipped 700 million gallons of ethanol over the 12 month period ended on April 30, 2022.

The company’s investment interests include One Earth Energy, NuGen Energy and Big River Resources.