http://sonicwindlsrv.com/index2.php#/home/
The car will be powered by a XLR99 Rocket engine as used in the X15 rocket plane.
.......You're a braver man than I am Gunga Din....."The team also has larger tanks built which once installed into the vehicle would enable Sonic Wind LSRV to reach a peak velocity of Mach 3 (2,200 miles per hour) on the ground. This is about the speed the famous SR-71 Blackbird spy plane can attain at extremely high altitudes."