Original sentence: Comedy segments brought over from The Tonight Show, such as "Headlines" and "Jaywalking", will be reserved for the end of the show, the only time when Leno might use a desk.The "advertiser-friendly 'Green Car Challenge'," featuring celebrities racing each other in alternative fuel vehicles on a dedicated outdoor racetrack
Edited sentence: Comedy segments brought over from Tonight, such as "Headlines" and "Jaywalking", will be reserved for the end of the show, the only time when Leno might use a desk.The "advertiser-friendly 'Green Car Challenge'," featuring celebrities racing each other in alternative fuel vehicles on a dedicated outdoor track