If you have a little extra money to invest, the US manufacturing and distribution rights are currently for sale.
http://www.ultimasports.co.uk/usa/business.html
"Ultima Sports Ltd, are pleased to announce that they are offering for sale the unique opportunity to purchase the whole of the rights to produce and sell the world record holding Ultima Supercar to the USA market. Included in the offer are the exclusive rights, jigs, moulds and patterns..."
