Now it is possible to cook food, make biochar and produce enough electricity to charge your mobile phone whilst out camping. It could also be very hand to have in the house in case of a power cuts.
http://www.biolitestove.com/campstove/camp-overview/features/http://www.biolitestove.com/campstove/camp-overview/features/
http://www.biolitestove.com/campstove/camp-overview/features/http://www.biolitestove.com/campstove/camp-overview/features/