Visualization used to show resource usage over time by different entities or jobs allows a user to see the resource usage of entities over time. A hydrocarbon in water emulsion is also provided including a hydrocarbon phase, a water phase, a surfactant, and a solid carbon additive suspended in the hydrocarbon phase, the solid carbon additive being selected from the group consisting of coal, coke and mixtures thereof. The memory card structure also includes an electrical connector that is coupleable to a Universal Serial Bus plug and that is electrically coupled to at least one of the memory and the controller.