(CHEYENNE, Wyo.)Evergreen Energy Inc. is still looking at building a new plant in northeast Wyoming that will use the clean-coal technology it had been perfecting at an idled experimental coal ref...READ MORE
(CHEYENNE, Wyo.)Evergreen Energy Inc. said Thursday it is shutting an experimental coal refinery near Gillette and shifting its focus to a new generation of clean-coal technology and locations wit...READ MORE
(CHEYENNE, Wyo.)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,...READ MORE
(CHEYENNE, Wyo.)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,...READ MORE
(CHEYENNE, Wyo.)Evergreen Energy Inc. said Thursday it is shutting an experimental coal refinery near Gillette and shifting its focus to a new generation of clean-coal technology and locations wit...READ MORE
(CHEYENNE, Wyo.)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,...READ MORE
(CHEYENNE, Wyo.)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,...READ MORE