From a tiny personal sauna that can fit on a balcony, to a city bus that has been turned into a spacious traveling sauna, this episode features some of the steamiest business trends in Japan. [In Focus: Energy Crisis Spurs Nuclear Power Revival] Germany's industries that rely on natural gas are suffering from soaring prices. And Japan has rolled out three-month measures to save energy to prevent blackouts. We look at how these factors are turning energy policies back toward nuclear power. [Global Trends: Finding Value in Vacant Homes] Japan has a growing number of vacant and abandoned houses. There are some creative approaches businesses are using to let owners profit from these buildings ... and for tenants to drive their dream homes.