We’ve never liked hot tubs – fiery dragons in the garden that consume huge (10kWh) quantities of electricity so that you can wallow naked for all to see. However, if you insist on a hot tub, how about one of these, made entirely from cheap recycled parts:
Or try this – producing diesel from waste tyres using a microwave oven:
http://www.carbonrecovery.com/Downloads/GlobalOnlineVideoHigh.wmv
