Business Green: The Department of Energy (DoE) acted irresponsibly in withdrawing support for a seminal clean coal project last year, according to a report issued by the General Accounting Office today. The document, which examines the restructuring of the FutureGen project in January 2008, found that a basic accounting error led the department to miscalculate ongoing project costs. This led it to drastically alter the nature of the project, delaying its operation by three years. FutureGen, …