[Flieger]

I would think electromagnetism would be better than air. The F1 cars had a tendancy to go kablammo if the air tank pressure got a little low, especially the Toyotas. They used to have to top up the air pressure at each pit stop just in case. Electronic solenoids would not have that issue, but their inertia must be greater. Still, this is not a 22,000 rpm F1 engine.

I wonder what issues they face with lag due to compressibility of air, and losses in the air lines due to bends, as far as knowing when to send the pressure pulse vs. when they want the valve to open/close. Electromagnetism would have the impedance to factor in but at least the wire routing does not really matter, just the length.