Despite their rising popularity, most electric cars aren’t considered road-trip material. [...] BMW, Volkswagen and an electric vehicle charging company based in the Bay Area want to change that. The two German automakers have teamed with ChargePoint of Campbell to install networks of high-speed chargers along two interstate corridors. The companies are following a path already blazed by Tesla Motors, which is building a nationwide network of its own high-speed supercharger stations along heavily traveled interstate highways, with 353 stations opened so far. [...] the need for another network. “All car companies and charging companies came to the same conclusion a long time ago, that this is a critical piece for the adoption of electric cars,” said Pasquale Romano, ChargePoint’s CEO. The stations within each corridor will contain several types of chargers, since not all electric cars can use the same recharging equipment. For the automakers, access to speedy charging between cities is essential to convincing drivers that electric vehicles aren’t just commuter cars.