What to do when your electric car runs out of power

Data on public charger reliability — or “uptime” in industry-speak — is notoriously hard to come by. Perhaps the best measure is a crowdsourced system of ratings on PlugShare, a navigation platform that aims to be for EV drivers what Yelp is for diners. On a scale of 1-10, almost one quarter of PlugShare stations garner a score under 7.