Check out the British made “Thrust SSC” car that set a land speed record of 714 MPH and then broke that record and the sound barrier when it went 763 MPH. It is powered by twin Rolls Royce jet engines.

http://www.youtube.com/watch?v=LKQ-xj5C2m8

http://www.youtube.com/watch?v=zyjcN0bDpa8