Sept. 11, 2003 — A new hydrogen gasification process which is modeled after a coal gasification process has been issued a patent pending. Using gasification technologies, hydrogen can cost around 20 ...

TVA's leaders and the president have referenced “beautiful clean coal” as they shuck environmental regulations in favor of ...

CHEYENNE - A new process being tested to refine low-grade Wyoming coal into cleaner-burning fuel showed encouraging results on reducing mercury pollution when it is blended with regular coal, ...

CASPER, Wyo. — Developing technology to refine low-grade coal into a cleaner-burning fuel could be a boon to Wyoming, a mining company executive said. Denver-based Evergreen Energy Inc. is testing ...