Tesla vs. Toyota Is the New Hot Battle in Cars

A year ago, the debate between EVs and hybrids looked settled. Now, Elon Musk’s vision for an electric-vehicle future is being challenged anew by Toyota and its re-energized hybrid plans.

Musk, Tesla’s chief executive, wants to make the world electric, targeting annual vehicle deliveries that would overtake Toyota to become the bestselling automaker before 2030. And while that goal is far off, he’s had some success—in the U.S., Tesla’s small lineup has already overtaken some of Toyota’s bestsellers.