combustion resources, inc. was a consulting company based in provo, utah, united states. it provided consulting services in the fields of fuel and combustion, such as testing of flow and mixing systems, reactor design, gas and particle sampling, gasification modeling, and shale oil extraction design and testing. the company was incorporated in 1995 as a spin-off from the center for advanced combustion engineering research, joint collaboration between brigham young university and the university of utah.