The Office of Fossil Energy (FE) advances technologies related to affordable, reliable, and secure use of fossil fuels that are important to our Nation’s security and economic prosperity while developing technological solutions for the prudent and sustainable development of our domestic coal, oil, gas, and critical minerals resources. FE conducts cutting-edge research, development, and demonstration (RD&D) that focuses on promoting energy security, sustaining American leadership and innovation through early-stage RD&D, and developing breakthrough technologies that will ultimately lower American energy costs.