Many have modified their Priuses, and one of those possible modifications is a rooftop solar panel system.  It seems that Toyota is considering the same as standard equipment for its own models, but only for high-end models, and only to power the AC. Toyota Motor Corp plans to install solar panels on some Prius hybrids in its next remodelling, responding to growing demand for “green” cars amid record-high oil prices, a source briefed on the matter said on Monday. The panels, supplied by Kyocera Corp would