The U.S. oil refining industry has suffered through a series of setbacks in recent years. But recently, some big new players have entered the refining scene, such as private equity firm The Carlyle Group, which is teaming up with Sunoco to save and expand one of the nation's oldest and largest refineries. David Marchick, The Carlyle Group's managing director for external affairs, will join Platts Energy Week to discuss the latest project updates.