For all their promise, electric cars have always had a big drawback: Charging takes much longer than filling up a gas tank.
But the gap has been closing, and this week, Chinese battery giant CATL announced battery technology nearing parity. On Tuesday, the company said its third-generation Shenxing fast-charging battery goes from 10 percent to 98 percent charged in 6 minutes and 27 seconds.
If you’re driving an electric car around town, charging is a breeze. You probably don’t have to do it more than a couple times a month. And when you do,…

