Now it is popular to see a house with solar cell. And a fuel cell Enefarm
is being equipped with house. PanaHome
announced that they develop a new type house with University of Tokyo which does NOT emit CO2 into the atmosphere. They will build a test house
in Higashioumi city Shiga prefecture. The house will have a fuel cell and solar cell to generate electricity. And the electric power will be saved into Li-ion cell to be occasionally used. In addition, it has LED lights and some heat insulation material to save the electric power. A future type house is coming.