NOVELTY - Method (m1) of controlled fuel release from a fuel storage composition (FSC), comprises: concurrently (a1) applying an electric field (S100) to a section of the FSC and (a2) supplying a reagent to the section of the FSC; (b) measuring a system parameter; and (c) adjusting an electric field parameter (S400) based on the system parameter measurement.    USE - The method is useful for controlled fuel release from the FSC.    ADVANTAGE - The method utilizes: the FSC for intermittent applications by lowering the energy input required to achieve fuel release; and an electric field to the FSC which allows the FSC to decompose, or thermolyze, into fuel at a lower temperature. Thus, the lower decomposition temperature: requires less energy input to raise the FSC temperature to the decomposition temperature, allowing for startup energy conservation and a faster startup time; requires less energy to maintain fuel release during operation due to the lower decomposition temperature and lower heat loss to the environment; requires less insulation of the FSC, as the FSC is operated at a lower temperature; and achieves rapid shut-off by simply switching off the electric field.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method (m2) of controlled fuel release from the FSC, comprising: concurrently (d1) applying an electric field having a magnitude less than a dielectric breakdown magnitude to a section of the FSC, and (d2) supplying a reagent to the section at a modified reagent supply rate less than an unmodified reagent supply rate, where the unmodified reagent supply rate is required to react the FSC section into fuel in the absence of an applied electric field; (e) monitoring (S300) a system parameter; and (f) adjusting an electric field parameter in response to the system parameter.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic representation of the method of fuel release.    Applying electric field to fuel storage composition (S100)    Reacting fuel storage composition with reagent (S200)    Monitoring a system parameter (S300)    Adjusting an electric field parameter (S400)    Adjusting a reaction element to control fuel release (S500)