No they don't. That has never, ever happened. They can't send a CNG bus to QV in particular since QV can't even fuel the bloody thing.
It's just tracker being stupid. Stop making things up.
1. See response above.
2. Distance does not matter when it comes to open shuttle work. If depots have open work for shuttles, they'll do it. Staten Island has done subway shuttles in Manhattan, Queens and The Bronx, so it doesn't matter how far it is from the job.