Kent Bengtsson is a swede living in the UK. Sweden has long been a forerunner in energy conservation and alternatives. On his website he gives further evaluation and information on what is available right now in this field. He will tell you why the best selling manual is probably not right for you. Do not be fooled by promoters that only say what will make you buy. They know a lot about how to make money on the Internet, but have not even read the manuals they are promoting. More on Hydrogen Fuel