Yamaha Corporation is a Japanese multinational corporation and conglomerate with a very wide range of products and services. The 'Yamaha OX99-11' V12 was a sports car project designed by Yamaha's subsidiary Ypsilon Technology and IAD, an English engineering consultancy, which was supposed to enter production in 1994. Eventually the project was delayed until 1994, before finally being cancelled. A total of three prototypes were built by IAD. Of all the 3 OX99-11 supercars made, one is green, another one is red and the third a black unit.