Tesla unveiled its Model Y electric sports utility vehicle on Thursday evening in California, promising a much-awaited crossover that will face competition from European car makers rolling out their own electric rivals.Chief Executive Elon Musk said the compact SUV, built on the same platform as the Model 3, would first debut in a long-range version with a range of 300 miles priced at about $47,000.A standard version, to be available sometime in 2021, would cost about $39,000, he said.
