Although Continental gets all the press for its diesel program, Lycoming also has a diesel engine, which is it now beginning to produce in small volume. The engine will eventually be certified. In this video, Lycoming's Michael Kraft gave AVweb a briefing on the DEL120.
This is a companion discussion topic for the original entry at https://www.avweb.com/ownership/video-a-look-at-lycomings-diesel-engine