|Policy status:||In Force|
|Policy Type:||Regulatory Instruments>Codes and standards|
|Policy Target:||Transport>Vehicle type>Passenger vehicles, Transport>Vehicle type>Heavy-duty vehicles|
|Agency:||Ministry of Economy, Trade and Industry (METI), Ministry of Land, Infrastructure, Transport and Tourism (MLIT)|
A fuel efficiency standard for vehicles was first introduced for gasoline passenger vehicle in Japan in 1979. Several revisions were made since then, and beside the passenger vehicle, in 2006 the world’s first fuel efficiency standards for heavy duty vehicles were introduced. The latest revision of these fuel efficiency standards occurred in March 2013 where the standards of passenger vehicle and small buses with the new FY 2020 target. This fuel efficiency standard program is under the scope of the Top Runner program, so manufacturers and importers need to achieve the average fuel efficiency levels, calculated as the harmonized weighted average of the fuel efficiency levels which are determined by the number of shipped vehicles.
Timeline of Fuel Standard Setting in Japan: June 1979: Energy Conservation Act Enacted December 1979: Gasoline passenger vehicle fuel efficiency standards were drafted January 1993: Gasoline passenger vehicle fuel efficiency standards were revised （FY 2000 target） March 1996: Gasoline freight vehicle fuel efficiency standards were drafted (FY 2003 target) June 1998: Energy Conservation Act Revised March 1999: Top Runner standards for passenger vehicles and small freight vehicles were drafted （target year was FY 2010 for gasoline vehicles and FY 2005 for diesel vehicles.）
July 2003: Top Runner standards for LP gas passenger vehicles were drafted (FY 2010 target) March 2006: Top Runner standards for heavy duty vehicles (truck, bus, etc.) were drafted (FY 2015 target） July 2007: Top Runner standards for passenger vehicles, small buses, small freight vehicles were drafted （FY 2015 target） March 2013: Top Runner standards for passenger vehicles, small buses were drafted（FY 2020 target） July 2015: Top Runner standards for small freight vehicles were drafted （FY 2022 target）.
date effective: 1979 (for passenger vehicles) and 2006 (for heavy duty vehicles)
Last modified: Mon, 30 Oct 2017 12:23:31 CET