When the pressure in the annulus exceeds the pressure of the gas in the on board storage tank, a signal will open the valve to the on board storage tanks and {HEAD ~ the gas} inside {TAIL ~ the bladder} will be forced out to the on board storage tanks in one or two vehicles, simultaneously, or individually, as the choice may be 
inside
When the pressure in the annulus exceeds the pressure of the gas in the on board storage tank , a signal will open the valve to the on board storage tanks and { HEAD ~ the gas } inside { TAIL ~ the bladder } will be forced out to the on board storage tanks in one or two vehicles , simultaneously , or individually , as the choice may be
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