Inside, an LCD screen bounded by the gauges shows energy flow between the various drivetrain components, as well as indicators for electric mode, battery charge and gas mileage. Get the optional navigation system and it shows a more robust version of all this. It wouldn’t be complete without some hokey way of diagramming your efficiency, though: The Fusion Hybrid does this with pictographic Efficiency Leaves, and Hyundai’s answer is an Eco Level scoring system. It displays a sky that turns an earth-happy blue if you drive more efficiently. Lead-foot around too much and the sky reverts to a smoggy gray.