The Secretary shall conduct a program of research, development, demonstration, and commercial application for utilizing coal-derived liquid or gaseous fuels, including ultra-clean coal-water slurries, in diesel engines. The program shall address—
required engine retrofit technology;
coal-fuel production technology;
emission control requirements;
the testing of low-Btu highly reactive fuels;
fuel delivery and storage systems requirements; and
other infrastructure required to support commercial deployment.
Pub. L. 102–486, title XIII, § 1302106 Stat. 2972 (, , .)