Tesla has launched a refreshed Model Y in China as it fights off fierce competition from local rivals.The new Model Y is also available to order in Australia and parts of Asia, but there's no sign of a US release yet.Tesla is under pressure, with annual sales falling even as Chinese competitors like `BYD report booming demand.Tesla has launched an updated version of its most successful car — but you can't order it in the US yet.AD The Elon Musk-run automaker unveiled a long-rumored refresh of the Model Y o ...