This isn't exactly new stuff, but it's very interesting. Homes use more than 60% of the energy here in Norway, but this stuff is still to expensive. Another pa

This isn't exactly new stuff, but it's very interesting. Homes use more than 60% of the energy here in Norway, but this stuff is still to expensive. Another part of the problem is that people living in apartments in the cities, uses less energy, but most people prefer to live in their own house.