Proterra, the Tesla of electric buses, closes in on $1 billion valuation

Proterra has authorized shares to raise $75 million, a new round of funding that would push the electric bus maker's valuation past $1 billion, TechCrunch has learned. The company authorized the sale of 10,857,762 shares at a price of $6.91 in a Series 8 round, according to a securities filing that was obtained by the Prime Unicorn Index, a company that tracks the performance of private U.S. companies, and reviewed by TechCrunch. If all of the shares are issued, the company's total valuation would be $1.04 billion, pushing it into "unicorn" territory, according to Prime Unicorn Index.