  Active particles have become a subject of intense interest across several
disciplines from animal behavior to granular physics. Usually the models of
such particles contain an explicit internal driving. Here we propose a model
with implicit driving in the sense that the behavior of our particle is fully
dissipative at zero temperature but becomes active in the presence of seemingly
innocent equilibrium fluctuations. The mechanism of activity is related to the
breaking of the gradient structure in the chemo-mechanical coupling. We show
that the thermodynamics of such active particles depends crucially on inertia
and cannot be correctly captured in the standard Smoluchowski limit. To deal
with stall conditions, we generalize the definition of Stokes efficiency,
assessing the quality of active force generation. We propose a simple
realization of the model in terms of an electric circuit capable of turning
fluctuations into a directed current without an explicit source of voltage.
