 BETHESDA, Md.--BUSINESS WIRE--Enviva Partners, LP NYSE: EVA Enviva, EVA, we, us, or our today announced a definitive agreement with Enviva Holdings, LP Holdings, general partner, or GP pursuant to which it acquired all of the ownership interests in Holdings the GP Buy-in and eliminated its incentive distribution rights, or IDRs the Simplification and, together with the GP Buy-in, the Simplification Transaction in exchange for 16 million EVA common units, repr 