Climate change in Japan and Toyota hybrid electric vehicles were named to have the highest fuel efficiency and lowest emissions. The fuel economy and emissions decrease is due to the advanced technology in hybrid systems, biofuels, use of lighter weight material and better engineering. As a signatory of the Kyoto Protocol, and host of the 1997 conference which created it, Japan is under treaty obligations to reduce its carbon dioxide emissions and to take other steps related to curbing climate change. The Cool Biz campaign introduced under former Prime Minister Junichiro Koizumi was targeted at reducing energy use through the reduction of air conditioning
Capital flows in Japan Capital flows in Japan Capital began to flow in and out of Japan following the Meiji Restoration of 1868, but policy restricted loans from overseas. In the aftermath of World War II, Japan was a debtor nation until the mid-1960s. Subsequently, capital controls were progressively removed, in part as a result of agreements with the United States. This process led to rapid expansion of capital flows during the 1970s and especially the 1980s, when Japan became a creditor nation and the largest net investor in the world. This credit position resulted both from foreign direct investment by Japanese corporations, and