American GreenFuels biodiesel plant in Connecticut expands capacity to over 60 mgy
- American GreenFuels
- Jul 17
- 2 min read

Kolmar Americas Inc. and American GreenFuels® LLC recently completed a significant turnaround and expansion project at the American GreenFuels biodiesel production facility located in New Haven, Connecticut.
As a result of this investment, American GreenFuels’ production capacity has now increased to more than 60 million gallons per year*.
Despite continued challenges in global and domestic biofuels markets, Kolmar said it remains firmly committed to investing in domestic renewable fuel production.
The increased capacity at American GreenFuels reinforces Kolmar’s long-term strategy of ensuring a stable, reliable and sustainable supply of biodiesel to the state of Connecticut and the broader regional market.
“Kolmar’s continued investment in American GreenFuels demonstrates our confidence in the long-term importance of renewable fuels and our commitment to supporting Connecticut’s clean-energy goals,” said Raf Aviner, the president of Kolmar Americas.
“The expanded capacity at American GreenFuels allows us to better serve our customers while contributing to greenhouse-gas reductions and strengthening regional energy security,” Aviner added.
Biodiesel produced at American GreenFuels plays a vital role in reducing carbon emissions, supporting local jobs and enhancing fuel diversity across the Northeast.
Kolmar said this investment reflects its ongoing leadership in the renewable fuels sector and its strong partnership with the state of Connecticut in supporting clean-energy initiatives.
The upgraded facility is fully operational, ensuring that high-quality biodiesel remains available to meet growing demand from heating-oil suppliers, transportation fleets and industrial users seeking cleaner, lower-carbon energy solutions.
*Editor’s Note: According to U.S. Energy Information Administration data from 2024, American GreenFuels’ biodiesel production capacity was previously 38 mgy. The plant expansion coincides with Connecticut requiring 10 percent biobased diesel content (B10) in heating oil, up from B5, as of July 1. Connecticut will increase its blend standard to B15 by 2030, B20 by 2034 and B50 by 2035. For more information on increased biofuel-blending requirements for heating oil in the U.S. Northeast, click here.


































