What? It burns hydrogen, that is why there are limited refilling stations at this time. more are being built and as that happens, there will be more available. If it uses hydrogen and does not burn it off, then there should be nothing else said of mixing the hydrogen with the gasoline engines. That is all we have right now, do you think I am a engineer that can build a strictly hydrogen engine? I just want to get the biggest bang for my buck right now. I understand where you are coming from with your side, but just open your mind and use your tech support badge in a non derogatory way and insulting way. Why start arguments?