With a push from Congress, automakers and charging companies are planning to install tens of thousands of fast chargers on American highways capable of refueling electric cars in half an hour or less.That’s good news for anyone who owns an electric car or is thinking about buying one. But it’s also confusing because of a debate about what kind of plugs those new chargers and cars will use now and in the future.Ford Motor, General Motors, Mercedes-Benz and other automakers plan to abandon the plugs their electric cars use today for those designed by Tesla. But they won’t begin selling cars with the Tesla plugs until 2025.Until then, cars like the Ford Mustang Mach-E or Chevrolet Bolt will come with technology that may eventually become obsolete, the equivalent of Betamax videocassette recorders.What plugs do electric cars use today?There are two main kinds of plugs. The most widely used was developed by Tesla, which dominates the electric car business, and, so far, works only with the company’s cars. It’s known as the North American Charging Standard.Cars made by most …
