https://www.cnbc.com/2017/11/17/tesla-semi-and-roadster-impressed-but-questions-linger.html

Tesla's newly revealed electric semi and sports car surprised and exceeded some analyst expectations, but the Thursday night event did little to answer some of the lingering questions and concerns over the company.

Tesla gave some needed information on its Class 8 electric semi truck — such as its range, which was higher than many analysts had expected. And the company did say the truck would be higher performing and more economical than diesel trucks based on several metrics.