Perform the following steps for your Hound to have unlimited fuel. Select a chassis with very low energy usage. Choose a cockpit with very low energy usage and very high internal power. Do not add a generator or fuel tank. Do not exceed your Hound's energy usage. Your Hound should now have an approximant effect time of 0 and the no fuel icon will appear once you start a round; however, your Hound will still be at optimal efficiency, thus giving it unlimited fuel.