Research, Development, Demonstration, and Commercial Application
13331Coal research, development, demonstration, and commercial application programs13332Coal-fired diesel engines13333Clean coal, waste-to-energy13334Nonfuel use of coal13335Coal refinery program13336Coalbed methane recovery13337Metallurgical coal development13338Utilization of coal wastes13339Underground coal gasification13340Low-rank coal research and development13341Magnetohydrodynamics13342Oil substitution through coal liquefaction13343Authorization of appropriations13344Rare earth elements