You've heard about Tesla Motors already--the silicon valley startup that's making the next generation in electric cars, a roadster that can go from 0 to 60 in 4 seconds, and that looks like a million bucks. (It'll also cost nearly $100K, but that's cheap compared to a Lamborghini, and you just might beat it off the line.) There have been plenty of great articles on the company and the car, from Wired, The Guardian, and others. As it happens, I know several of their engineers, so I was able to get a tour of the company a few weeks ago...Tesla's motor is a high-performance induction motor; not revolutionary new technology, but top-of-the-line. In fact, it's the same one the EV1 and AC Propulsion's tZero prototype cars used. Tesla's innovation is in the way it is manufactured, keeping performance quality high but reducing costs. I also asked whether they thought about using in-wheel motors, since putting a small motor in every wheel instead of having one big motor with a drivetrain connecting it to the four wheels can greatly reduce mechanical complexity and weight, as well as improving reliability.
Read more at - 'A Tour of Tesla Motors'