The renewable energy company Circularity Fuels has successfully concluded a six-month pilot initiative that converted raw agricultural biogas directly into sustainable aviation fuel (SAF).
Operating on-site at a California dairy farm, the project utilized the raw gas emitted from a manure digester, which naturally consists of 65% methane and 35% carbon dioxide. By channeling this mixture through a pair of specialized, proprietary reactors, the company successfully transformed the greenhouse gases into a functional liquid fuel that serves as a direct, drop-in replacement for conventional petroleum-based jet fuel.
According to company leadership, this development offers a highly scalable alternative to current eco-friendly fuel feedstocks, such as used cooking oil, which face significant volume and availability constraints. By capitalizing on an abundant and underutilized agricultural waste product, the technology is expected to create an entirely new stream of revenue for dairy farmers and stimulate economic growth within rural communities. Following the success of the initial test phase, the organization aims to begin construction on its very first full-scale commercial production facility in 2027.
Sustainable aviation fuels are key to energy independence and generate job creation in tech, agriculture and other parts of the economy.
