One of the better reviews of the unveiling:
https://www.yahoo.com/autos/new-toyo...712980172.html
"And that was about it. Toyota wouldn’t let us see what the Prius looked like when it was turned on, they wouldn’t give any drivetrain info, wouldn’t provide an on-sale date, and, most importantly for a car whose entire existence revolves around gas mileage, wouldn’t provide EPA numbers. "