From the street, a solar shingle roof can look almost identical to a standard asphalt one. That is the core selling point of ...

Tesla Inc on Wednesday began taking orders for its solar roof tiles, a cornerstone of Elon Musk's strategy to sell a fossil-fuel-free lifestyle under the brand name of its luxury electric vehicles.

The solar tile on a test roof in the Netherlands looks like any other clay-colored roofing product. But underneath its ...