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
Wisconsin Highway 794 considered an Interstate Highway for its entire length. A newly constructed section of Howard Avenue between WIS 794 and WIS 32 is part of the state trunk highway system and officially labeled a spur of WIS 794. Along with WIS 341, this spur is one of two unsigned state routes in the greater Milwaukee area. WIS 794 continues down South Pennsylvania Avenue, running just east of General Mitchell International Airport south to its terminus at College Avenue. Wisconsin Highway 794 State Trunk Highway 794 (officially the John R. Plewa Memorial Lake Parkway and often called Highway 794, STH 794, WIS