There is alot of working being done as regards to Bio fuels but supply is as big an issue at the moment.Hydrogen technology is coming along as well but all these things need to be reliable and safe before mass marketing.
Just to put it into some basic figures the UK market is the largest domestic condensing boiler market in the world some 1.5 million boilers installed every year.
A condensing boiler is a boiler which passes it's flue gasses over a heat exchanger to use the latent heat from the gas to heat the water.The lower temperature flue gases then reach a condesnsing point.
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 Karma is a Funny Thing
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