 HOUSTON--BUSINESS WIRE--Orion Engineered Carbons S.A. NYSE: OEC, a worldwide supplier of specialty and high-performance carbon black, today announced that it published its annual sustainability report, highlighting the companys results against its targets and the core elements of its strategy to drive sustainability across the full spectrum of the carbon black value chain. As a responsible member of the global community, we embrace sustainability as an integral part of our long-term strat 