So what happened to Tesla Model X electric SUV sales, anyway?
A few years ago, before the Tesla Model X electric SUV went into production, company CEO Elon Musk said he thought it could outsell the older Model S hatchback luxury sedan. That hasn't happened. In the first three months of this year, Tesla said it delivered 11,550 Model Xes—but 13,450 Model Ses. DON'T MISS: 2016 Tesla Model X first drive...