Hyundai and Kia reveal solar roof tech for electric cars—or gasoline ones

Hyundai Motor Group solar charging systemAs solar cells get more efficient, powerful panels can fit on smaller areas. For those looking to use renewable energy for transportation, that means solar panels can now move from home rooftops used to power car chargers to cars themselves. In Korea on Wednesday, Hyundai and Kia revealed some production-bound examples of that...