Tesla popularized sleek door handles on EVs, but the design has been criticized on safety grounds. Now, China is forcing a redesign.

Many electric vehicles have used retractable door handles, but they've fallen under scrutiny in recent years. Why have automakers stuck with them for so long?

In some ways, the humble door handles we use to open our vehicles haven’t changed much in over five decades. In others, today’s modern handles represent a leap forward in technology. In the formative ...