A waterless urinal for a vehicle, the waterless urinal comprising: a fluid bowl having a drain; and a waterless urinal cartridge removably disposed within the drain, the waterless urinal cartridge including a housing forming an internal cavity, said housing having a waste reservoir (200, 300) disposed within the housing and being configured to hold a predetermined volume of urine, and the waste reservoir (200, 300) having a drainage aperture configured so that an amount of urine exceeding the predetermined volume of urine flows through the drainage aperture and the internal cavity to exit the housing, and a cover coupled to the housing and forming part of a surface contour of the fluid bowl, the cover including a sealing fluid reservoir and a plurality of fluid passages for directing urine from the fluid bowl to the sealing fluid reservoir, characterised in that each of the plurality of fluid passages having a shape defined by a diameter of about 2.39 mm within the cover, the sealing fluid reservoir being in communication with the internal cavity of the housing, wherein the waste reservoir (200, 300) includes at least one fluid flow control feature comprising a gimballed coupling that couples the waste reservoir (200, 300) to the housing, said gimballed coupling is configured to provide rotation of the waste reservoir (200, 300) relative to the vehicle in response to a change in vehicle dynamics to limit urine movement within said waste reservoir (200, 300). a fluid bowl having a drain; and a waterless urinal cartridge removably disposed within the drain, the waterless urinal cartridge including a housing forming an internal cavity, said housing having a waste reservoir (200, 300) disposed within the housing and being configured to hold a predetermined volume of urine, and the waste reservoir (200, 300) having a drainage aperture configured so that an amount of urine exceeding the predetermined volume of urine flows through the drainage aperture and the internal cavity to exit the housing, and a cover coupled to the housing and forming part of a surface contour of the fluid bowl, the cover including a sealing fluid reservoir and a plurality of fluid passages for directing urine from the fluid bowl to the sealing fluid reservoir, characterised in that a housing forming an internal cavity, said housing having a waste reservoir (200, 300) disposed within the housing and being configured to hold a predetermined volume of urine, and the waste reservoir (200, 300) having a drainage aperture configured so that an amount of urine exceeding the predetermined volume of urine flows through the drainage aperture and the internal cavity to exit the housing, and a cover coupled to the housing and forming part of a surface contour of the fluid bowl, the cover including a sealing fluid reservoir and a plurality of fluid passages for directing urine from the fluid bowl to the sealing fluid reservoir, each of the plurality of fluid passages having a shape defined by a diameter of about 2.39 mm within the cover, the sealing fluid reservoir being in communication with the internal cavity of the housing, wherein the waste reservoir (200, 300) includes at least one fluid flow control feature comprising a gimballed coupling that couples the waste reservoir (200, 300) to the housing, said gimballed coupling is configured to provide rotation of the waste reservoir (200, 300) relative to the vehicle in response to a change in vehicle dynamics to limit urine movement within said waste reservoir (200, 300).