HUNTERSVILLE, N.C. (AP) — There's a sign that hangs on a wall in Airspeed, the headquarters of 23XI Racing, that clearly ...

15x AMA Champion Ricky Carmichael and 9x AMA Champion Ryan Villopoto recap the week in Pro Motocross and Supercross. A Division of NBCUniversal. DISCLAIMER: This site and the products offered are for ...

Hamilton says he forgot who he was but has re-set for new season Ferrari's Lewis Hamilton has admitted he "forgot who I was" but is now excited for the new Formula One season and ready to go racing ...

Abstract: Permanent magnet synchronous motor (PMSM) is the driving component of electric vehicle, and its performance directly determines the power performance, reliability and economy of electric ...