21.   They gunned their engines, riding two-by-two past the Arizona State Prison on Saturday and pulling wheelies.

22.   Weidman guns his engine, and the truck spins hard.

23.   When he pulled into the garage, he gunned his engine loudly.

24.   When he appears on foot, she guns the engine, runs him down and kills him exactly where he had killed the girl earlier.

25.   With all of us straining, the Land Rover pulling hard, and the van driver gunning his engine in reverse, the vehicle suddenly lurched free.

26.   Others wearing headbands gunned motorcycle engines and sang protest songs.

27.   Spectators felt their chests shake when pilots gunned the engines.

28.   Whales and dolphins have highly sensitive hearing and become distressed when speedboats tear around them, gunning their engines.

29.   Witnesses told police that Ms. Swann was sitting in her car laughing and gunning the engine before the crash Thursday evening, Thurston said.

30.   He said the pilot tried to gun the engines and pull the nose up but the plane dropped again.