Seems more likely that "up to 70km" refers to a full day with full sun at an ideal location and time of year, not a full day with the car mounted on a solar tra

Seems more likely that "up to 70km" refers to a full day with full sun at an ideal location and time of year, not a full day with the car mounted on a solar tracking system. That would roughly match what Aptera is claiming. Aptera has a more radical design, but looks like it might have less panel area.