Absent a federal standard, states that allow autonomous vehicles, or AVs, to circulate have had to make up their own rules.

What a time to be a motoring enthusiast. The power-train buffet is open, and it’s all you could ever hope to feast on. This year, Robb Report’s editorial team and our distinguished contributors ...

UPDATE (10:45 a.m.) — Bull Canyon Road in Santa Maria appears to be back open, according to Caltrans. The San Luis Obispo County Fire Department reports that several engines and fire crews are still ...

The Cayenne was first introduced well over 20 years ago now. It was Porsche's first foray into the world of SUVs. Purists at the time grumbled (how could Porsche deviate so far from its sports ...