Chinese electric-car startup Nio unveiled its latest SUV , the ES7, on Wednesday. It's sleek, has a premium interior, and offers longer range than Tesla's Model Y. The ES7 starts at around $70,000, and deliveries begin in August. One of Elon Musk's biggest competitors in China just unveiled a new SUV to rival Tesla's Model Y. The Nio ES7. Nio The sleek ES7 launched on Wednesday as the fourth vehicle from Nio, an electric-car startup. The Nio ES7. Nio Read more: Chinese startups are battling with Tesla for electric-car supremacy — take a look at their cars The new SUV...