Abstract: A hydrogen generating apparatus includes a chemical reaction chamber, a chemical solution reservoir, and an unpowered pressure producing member for moving a chemical solution from the chemical solution reservoir to the chemical reaction chamber.

Abstract: A fuel cell is operatively connected to, and powers an electronic device. The fuel cell includes at least one electrode and an electrolyte in electrochemical contact with the electrode(s). A mechanism is provided for delivering fuel to the fuel cell while powering the electronic device.

Abstract: An ink supply station for use with a first ink supply and a second ink supply includes a first module and a second module releasably coupled to the first module. The first module includes a first chassis and a first movable member supported by the chassis, wherein movement of the member causes flow of ink from the first ink supply. The second module includes a second chassis and a second movable member supported by the second chassis. Movement of the second member causes flow of ink from the second ink supply.