Skip to content

News

Transport

Calumet is now the largest producer of Sustainable Aviation Fuel in North America. Topsoe delivers technology

Calumet now produces sustainable aviation fuel (SAF) and renewable diesel (RD) from its Great Falls-refinery in Montana, USA. Topsoe delivers its HydroFlexTM technology.
image
27 July 2023

The demand for sustainable aviation fuels (SAF) is rapidly growing, with IATA – the International Aviation Transport Association – estimating 120 billion gallons of SAF per year is needed for the airline sector to achieve net zero CO2 emissions by 2050. This compares to the estimated 75 million gallons of SAF being produced in 2022.

Topsoe, a global leader in carbon emission reduction technologies, is dedicated to make a strong contribution to a decarbonized future including in sectors that cannot be directly electrified, such as aviation.

For Calumet’s Great Falls refinery in Montana, now being operational producing both SAF and RD, Topsoe delivers its HydroFlexTM technology. Calumet serves markets in Canada and the US West Coast with low emission fuels.

Henrik Rasmussen, Managing Director, The Americas, Topsoe, said:
“It’s great to see the successful production of sustainable aviation fuel by Calumet. Actual production of SAF is crucial for decarbonizing aviation and demand for SAF will only grow the next many years. We’re excited to be working with the Calumet team on this very successful revamp to make renewable fuels.”

Bruce Fleming, CEO Montana Renewables and EVP Corporate Development, said:
“The production of renewable jet is another step toward our company’s strategic goal to help decarbonize the airline industry. It has been a good collaboration between the Calumet and the Topsoe Team and we are presently planning an expansion and a further increase to our SAF yield.”

About Topsoe

Topsoe is a leading global provider of technology and solutions for the energy transition. They combat climate change by helping customers and partners achieve their decarbonization and emission reduction goals.

Based on decades of scientific research and innovation, Topsoe offers world-leading solutions for transforming renewable resources into fuels and chemicals for a sustainable world, and for efficient and low-carbon fuel production and clean air.

Topsoe was founded in 1940 and headquartered in Denmark, with over 2,800 employees serving customers all around the globe. To learn more, visit www.topsoe.com.

What are renewable fuels?

Renewable fuels are low-carbon fuels made from renewable sources that are chemically identical to regular petroleum diesel or jet fuel. These renewable fuels produce fewer greenhouse gas emissions while performing the same as regular petroleum diesel or jet fuel.  They can be used as a drop-in fuel without modification to engines or infrastructure. Renewable fuels are made from waste, animal fats, and used cooking oils, as well as organic materials such as soybean oils.

What is HydroFlex™

With HydroFlex™, customers can convert low-value feedstocks into drop-in renewable jet and diesel that meets all globally accepted specifications for these fuels. The innovative HydroFlex™ process layout offers lower capital expenditure (CAPEX), but also a lower energy consumption during operation, resulting in a lower Carbon Index (CI). Topsoe’s HydroFlex™ can be deployed in both grassroots units and revamps for co-processing or stand-alone applications. HydroFlex™ is by far the most successful renewable fuels technology globally.

You should consider reading

Transport

News

Partnerships

+14

Relive highlights and partnerships from the Danish state visit to Australia

23 March 2026
During the 2026 Danish State Visit to Australia, more than 50 Danish companies joined forces with Australian partners to advance collaboration on renewable energy, green buildings, and sustainable innovation. Relive some of the highlights and concrete partnerships made during the week.