Grön Fuels selects Haldor Topsoe technologies for multi-billion-dollar renewable fuels complex in Louisiana Grön Fuels, LLC’s renewable diesel and jet fuel option facility at the Port of Greater Baton Rouge is based on Topsoe’s proprietary HydroFlex hydrotreating and H2bridge hydrogen technologies, including an option to capture ~1 million tons per year of bio-CO 2 for carbon sequestration in suitable deep saline aquifers located below the project site. HydroFlex is Topsoe’s technology for hydrotreating renewable feedstocks. Unit design and catalyst selection is tailored to the specific demands of a refinery business, resulting in high-grade gasolines, jet fuels and diesels.