The National Science Foundation (NSF) is offering a federal grant opportunity titled "Process Systems, Reaction Engineering, and Molecular Thermodynamics," aimed at advancing fundamental engineering research in chemical processes. The program seeks proposals that focus on various aspects of chemical reaction engineering, process design and optimization, reactive polymer processing, and molecular thermodynamics, with an emphasis on sustainable and energy-efficient chemical manufacturing practices. With an estimated total program funding of $4,900,000, proposals are accepted on a rolling basis, and interested applicants are encouraged to contact the program director for guidance prior to submission. For further details, applicants can refer to the NSF Program Description PD-23-1403 or reach out via email at grantsgovsupport@nsf.gov.