Just as battery-powered vehicles hit a tipping point where their cost plunges below that of conventional cars, a fresh hurdle risks holding back the EV revolution: charging networks.

The Biden administration’s $7.5 billion plan to build a chain of electric filling stations across the US has yet to connect a single socket, Politico reported last week. China, home to nearly two-thirds of the world’s public charging points, is still struggling to connect them in rural areas, making long cross-country drives in EVs an anxiety-inducing proposition.