All Tesla models use still a lot of energy per kilometer so a solar panel is almost useless. A bicycle uses 3 kWh/100 km, while a Tesla uses maybe 20. If you w

All Tesla models use still a lot of energy per kilometer so a solar panel is almost useless. A bicycle uses 3 kWh/100 km, while a Tesla uses maybe 20. If you want more kilometers per day from the solar panel, it makes sense to optimize the car. More streamlining, lightweight composites, narrower tyres, wheel fairings, smaller battery etc. For example https://en.wikipedia.org/wiki/Lightyear_One https://en.wikipedia.org/wiki/Lightyear_One