Supply and demand for CNG,LNG engines.CNG,LNG or Hydrogen-CNG blend Engines are a commodity like anything else.Who has the supply?What percentage of the World supply does any one company have? who wants them ?Institutional investment companies want shares in these companies, what is the supply of these shares? We all hope demand surpasses supply of shares so we all make money as the stock rises.I think Westport is well positioned at the right time ,We have got some U.S interest through Pickens recent Westport Innovations stock purchase,I suspect we will see more interest in the near future.