Upgrades to the Tesla Roadster’s battery pack have improved the range of the all-electric two-door from around 370km to 650km, says company CEO Elon Musk. The changes mean good news for owners of the Lotus Elise-based car, including the few in New Zealand who in theory could drive the 650km from Auckland to Wellington on the one charge. US-based Musk has tweeted that the … [Read more...] about New battery power: Tesla Roadster can now go from Auckland to Wellington on a full charge