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 ...
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 ...
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