What happened Chinese electric vehicle maker Nio (NYSE: NIO) just hit a new milestone at the same time that news came out of another upstart EV maker in the U.S. getting ready to jump in the game. With headlines about EV expansion swirling, Nio's American depositary shares are moving higher today. As of 10:45 a.m. EDT, Nio shares were 2.75% higher. So what Investors have been watching Lucid Group (NASDAQ: LCID) this week as it opened its Arizona manufacturing facility to visitors and announced that it has begun production of its highly anticipated luxury electric sedans. That comes as Nio is getting closer to launching its own luxury sedan early next year. Nio will not only launch in its home market of China, but also in Europe, by opening a Nio House in Oslo, Norway. Nio Houses are available exclusively to Nio vehicle owners and include a showroom and cafe, among other amenities. Image source: Nio. Now what Nio has already shipped its flagship ES8 SUV to Norway, and will begin delivering them to customers within days. Its ET7 luxury sedan will begin production in early 2022 and will be available thereafter in Norway as well as Germany by the end of next year, the company has said. Back in the U.S., the initial production of Lucid's highly anticipated Air sedan is now stirring the buzz for EV growth, especially in the luxury sedan category. Investors are getting more excited about the luxury electric sedan producers as they look for the best growth opportunities. With the Nio House opening in Norway, the company is staking a claim to begin building a community beyond just China. That, combined with Lucid entering the market, has some investors pushing shares of both companies higher today. 10 stocks we like better than NIO Inc.When our award-winning analyst team has a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has tripled the market.* They just revealed what they believe are the ten best stocks for investors to buy right now... and NIO Inc. wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of September 17, 2021 Howard Smith owns shares of Lucid Group, Inc. and NIO Inc. The Motley Fool owns shares of and recommends NIO Inc. The Motley Fool has a disclosure policy.Source