WASHINGTON, United States (AFP) — Tesla is planning to unveil a new electric “crossover” vehicle March 14 which is slightly bigger and more expensive than its most affordable model, according to chief executive Elon Musk. Musk tweeted on Sunday that the “Model Y,” which had been discussed for several months, would be unveiled at the company’s design studio in Los Angeles. The news comes shortly after Tesla unveiled its lowest-priced Model 3, an electric car […]