ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,136, issued on March 25, was assigned to 8 Rivers Capital LLC (Durham, N.C.).

"Systems and methods for operation of a flexible fuel combustor" was invented by Xijia Lu (Durham, N.C.), Jeremy Eron Fetvedt (Raleigh, N.C.) and Peter Michael McGroddy (Durham, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to systems and methods that are useful for controlling one or more aspects of a power production plant. More particularly, the disclosure relates to power production plants and methods of carrying out a power production method utilizing different fuel chemistries. Combustion of the different fuel mixtures can be con...