Tesla v1.5: 'Really Phenomenal' Torque, Better Range
 

Engineers at Tesla Motors have sorted out the revised drivetrain they'll be dropping into the Roadster later this year, and aside from being more efficient and less complex, it provides a hell of a lot more torque.
_____
*Source: Wired (http://blog.wired.com/cars/2008/05/t...5-has-r.html)*

More...