[Al Skierkiewicz]

If you are talking gas shocks then those were allowed last year. If you are talking a spring inside a pneumatic piston that is connected to the pneumatics system that is another thing. I do not remember that something like that was allowed last year. From this year's rules
R72
I. For the purposes of the FIRST competition, closed-loop pneumatic (gas) shocks are not considered pneumatic devices, and are not subject to the pneumatic rules (although they must still satisfy all other appropriate rules).