Decarb Energy Partners is an emerging clean-energy company known for pairing PFAS risk management with local fuel production for wastewater facilities. Its modular Biosolids+™ trailers convert contaminated sludge into biofuel on site, while the company finances and operates the equipment for utility partners.
ASTM biodiesel specifications
Compliance program
Eco Energy International, LLCAs a joint venture of Energy Technologies Inc. and Bio Carbon Fuels, Eco Energy International develops modular systems that turn municipal waste and other carbon-based feedstocks into clean hydrogen and syngas. Its patented Base Facilitated Reformer captures carbon rather than releasing CO or CO2, while the company’s Total Recovery Facility concept separates recyclable materials and reduces reliance on landfills. The Mansfield, Ohio venture draws on ETI’s established power-equipment manufacturing operation and its portfolio of U.S. and international hydrogen patents.MANSFIELD, OH
CircumVent Global, IncCircumVent Global began as a decarbonization startup and shifted toward practical local infrastructure after discovering that customers needed help managing waste, not just purchasing carbon credits. The company now builds onsite Waste to Energy systems for farms, food processors, and public-sector operators, converting difficult waste streams into usable energy while reducing reliance on landfills.
Downey Ridge Environmental (Greasezilla)Downey Ridge Environmental is the West Virginia company behind Greasezilla, a waste-to-energy technology developed to address the difficult disposal of fats, oils and grease. Its systems help wastewater facilities and grease haulers recover brown grease as a biofuel feedstock while sending separated water for treatment. The company announced a 2024 agreement with bp to support expansion of this approach through new FOG receiving stations.ANSTED, WV
EnergyWorksEnergyWorks develops monitored animal-waste treatment systems designed to manage nutrients at watershed-subbasin scale while producing renewable energy. Its approach connects agricultural feed and fertilizer byproducts with pollution avoidance, greenhouse-gas reductions, and climate-smart commodities such as clean-water eggs.ANNAPOLIS, MD