sentences:  The Omega engine was replaced by the Hyundai Tau engine, which is an all-aluminium construction with double overhead camshafts and has been produced from 2008-present.Koenigsegg initially used twin-supercharged versions of the Ford Modular V8 engine in its 2002-2004 Koenigsegg CC8S and 2004-2006 Koenigsegg CCR.The company switched to its own twin-supercharged engine for the 2006-2010 Koenigsegg CCX.