F Train to get an extra car?

According to ny1.com, MTA officials are running overnight tests of 11-car F trains to analyze the feasibility of lengthening the train permanently.

From ny1.com:

Transit officials want to see how the longer train will be accommodated by signals and stations. If trains cannot be safely run closer together, capacity can be increased with the extra car.

The test was done without passengers for planning purposes. (read more + Video)

It will be a welcome change if it comes to pass, but probably won't do much in the long term to ease the rush hour crunch.