Drivers hoping for a redesigned Tesla sedan or crossover are stuck waiting for now, and that's not helping sales.

UPDATE: Thatcham Research got in touch to clear our doubts. The article already reflects that. Of the 13 vehicles, 7 got a superior rating, 2 had the basic classification, and 4 got the poor score.

Wireless engineers, automakers, and governments have spent years preparing for a future where autonomous cars will communicate with each other and transportation networks — an initiative known as ...