Categorical Exclusion (CX) Determinations By Date

The Catalytic Application Testing for Accelerated Learning Chemistries via High-throughput Experimentation and Modeling Efficiently (CATALCHEM-E) program supports the small-scale research and development of heterogeneous catalysts, solid materials that reduce the inherent energy needed to drive industrial-scale chemical reactions responsible for making everyday products and commodities.
Sustain Energy LLC filed an application with the Department of Energy’s (DOE) Hydrocarbons and Geothermal Energy Office (HGEO) on May 12, 2026. Sustain requests authorization to conduct "small-scale natural gas exports" under DOE's regulations at 10 CFR 590.208(a).