Masonry oven more common as accessory features of a masonry heater. A compromise design known as the gueulard in France combines aspects of both internal and external-fired models. Masonry ovens remain popular in part because of the way their use affects cooking processes and food flavor. Where modern gas or electric ovens cook food by moving hot air around inside an insulated, lightweight box, a masonry oven works by soaking up heat, like a battery building up a full charge. When hot, the heavy oven walls release the heat slowly, for hours. Thus the food is cooked not only by hot air,
Ceramic Fuel Cells oxide fuel cell which creates electricity and heat by passing natural gas over ceramic fuel cells. BlueGen is 85% efficient and is reported to cut the average Australian home's annual carbon dioxide emissions by 18 tonnes. CFCL has signed agreements with leading European utility customers and appliance partners in Europe and Japan to deploy micro-CHP units using CFCL's SOFC technology. These agreements give the Company access to a number of large and advanced European markets for m-CHP units. The Company's utility partners in these markets have a total of more than 20 million gas and electricity customers. Ceramic Fuel Cells