Priv. Ltr. Rul. 201224001 (Mar. 7, 2012)

(coal produced from facility using set process is "refined coal" in accordance with I.R.C. Sec. 45(c)(7) if coal is from feedstock coal that is same source or "rank" as "tested coal" and satisfies emission reduction test of I.R.C. Sec. 45 (c)(7)(B).