Abstract: A vehicle comprising: a shift reactor (110) configured to: receive carbon monoxide produced by the vehicle; and process the received carbon monoxide to produce an output comprising hydrogen; and a fuel cell (112) coupled to the shift reactor (110) and configured to: receive the hydrogen from the shift reactor (110); and produce, using the received hydrogen, electricity for use on the vehicle.

Abstract: A vehicle comprising: a fuel store (104) configured to store a fuel, the fuel comprising a hydrocarbon; a fuel reformer (108) coupled to the fuel store (104) and configured to: receive an input comprising the hydrocarbon; and process the received input to produce an output comprising hydrogen; and a fuel cell (112) coupled to the fuel reformer (108) and configured to: receive the hydrogen from the fuel reformer (108); and produce, using the received hydrogen, electricity for use on the vehicle.

Abstract: A vehicle comprising: an engine; an engine driven electrical power generator configured to be driven by the engine; a fuel cell; one or more vehicle subsystems; a memory storing a plurality of different power sharing templates, each power sharing template specifying different power supply sharing information; and a controller configured to: select a power sharing template from the plurality of power sharing templates; and control the engine driven electrical power generator and the fuel cell to supply electrical power to the one or more vehicle subsystems such that said supply of electrical power is proportioned between the engine driven electrical power generator and the fuel cell in accordance with the power supply sharing information specified in the selected power sharing template.

Abstract: A vehicle comprising: a fuel store (104) configured to store a fuel, the fuel comprising a hydrocarbon; a fuel reformer (108) coupled to the fuel store (104) and configured to: receive an input comprising the hydrocarbon; and process the received input to produce an output comprising hydrogen; and a fuel cell (112) coupled to the fuel reformer (108) and configured to: receive the hydrogen from the fuel reformer (108); and produce, using the received hydrogen, electricity for use on the vehicle.

Abstract: A vehicle comprising: a shift reactor (110) configured to: receive carbon monoxide produced by the vehicle; and process the received carbon monoxide to produce an output comprising hydrogen; and a fuel cell (112) coupled to the shift reactor (110) and configured to: receive the hydrogen from the shift reactor (110); and produce, using the received hydrogen, electricity for use on the vehicle.

Abstract: A method of producing an aircraft battery system, the method comprising: identifying a volume of free space on an aircraft (100); arranging a plurality of electrical power cells (112, 114) such that the plurality of cells (112, 114) are capable of fitting into the identified volume, wherein the arrangement of cells (112, 114) has a non-cuboid shape; fixing the plurality of cells (112, 114) together such that the relative positions of the electrical power cells (112, 114) are maintained; electrically connecting the plurality of cells (112, 114) together, thereby to provide a battery (102, 104); and electrically connecting a DC-to-DC converter (106, 108) to the battery (102, 104), the DC-to-DC converter (106, 108) being configured to control a voltage of the battery (102, 104) to be equal to a specified voltage or within a specified voltage range.

Abstract: A vehicle (100) comprising: an engine (102); a system for starting the engine (102); a fault detection module (120); an electrical power source (110); and a controller (116, 122). The controller (116, 122) is configured to, responsive to the fault detection module (120) detecting a fault occurring with the engine (102): determine a window in which to attempt to start the engine (102); control the electrical power source (110) to provide electrical power to the system for starting the engine (102); and control the system for starting the engine (102) to attempt to start the engine (102) using the supplied electrical power only during the determined window.

Abstract: A vehicle (100) comprising: an engine (102); a system for starting the engine (102); a fault detection module (120); an electrical power source (110); and a controller (116, 122). The controller (116, 122) is configured to, responsive to the fault detection module (120) detecting a fault occurring with the engine (102): determine a window in which to attempt to start the engine (102); control the electrical power source (110) to provide electrical power to the system for starting the engine (102); and control the system for starting the engine (102) to attempt to start the engine (102) using the supplied electrical power only during the determined window.

Abstract: A vehicle (100) comprising: an engine (102); an engine driven electrical power generator (104) configured to be driven by the engine (102); a fuel cell (110); one or more vehicle subsystems (106); a memory (118) storing a plurality of different power sharing templates (126), each power sharing template (126) specifying different power supply sharing information; and a controller (116, 22) configured to: select a power sharing template (126) from the plurality of power sharing templates (126); and control the engine driven electrical power generator (104) and the fuel cell (110) to supply electrical power to the one or more vehicle subsystems (106) such that said supply of electrical power is proportioned between the engine driven electrical power generator (104) and the fuel cell (110) in accordance with the power supply sharing information specified in the selected power sharing template (126).