Two pathways are emerging as electric vehicle charging infrastructure expands across the US Automaker partnerships will determine whether those technologies will coexist or whether one will push the other out, like VHS and Betamax. Four months ago, the US was heading toward a standard way of charging EV with chargers other than those built by Tesla using a common connector to become eligible for federal funding. Tesla’s charging agreement with Ford Motor Co. and General Motors threw that push to standardization into question and could further fragment the country’s charging infrastructure, at least for now, analysts say. GM and Ford…