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II-4. Energy Conservation Measures for the Transportation Sector
Promotion of Cars with the "Idling-Stop" System
  • Idle-free driving can improve fuel economy by approximately 10%.
    An even greater energy conservation effect is expected in urban areas, where car stopping frequency is high.
  • Partial subsidy for the purchase of cars equipped with the "idling-stop" system was introduced in FY2003.
  • Promotional campaigns for gidling-stoph systems are held in the form of PR events, etc.
Result of the driving experiments by "idling-stop" cars PR activities
Results of "The Idling-Stop 2002 Caravan Throughout Japan"
Nationwide (3719km)...5.8% on average
Or 13.4% in city areas

[Stop & “idling-stop” implementation time ratio in urban area]

 An event for "idling-stop-at-stoplight"
experiments is scheduled for October 2005 Idling-free promotional event (Osaka)

Idling-free promotional event (Osaka)
II-4. Energy Conservation Measures for the Transportation Sector
Fuel Economy Disclosure and Labeling System for Vehicles
  • The system was introduced in January 2004 to deepen consumer interest/understanding regarding fuel economy, and promote cars with high fuel performance.
    • Disclose Fuel Economy Performance
      Disclosure is targeted for cars of which fuel economy standards are set based on the energy conservation law.
      Either the status of gfully complianth or gplus 5% of the fuel economy standardh will be publicly displayed.
    • Label a Fuel Economy Identifiable Sticker
      Label a sticker on the body of a car that conforms either to "fully compliant with the fuel economy standard" or "plus 5% of the fuel economy standard."
Energy conservation law target year FY2010 FY2005
Vehicles subject to the energy conservation law Gasoline passenger/freight vehicles/
LP gas passenger vehicles		 Diesel passenger/freight vehicles
Model “plus 5% of the fuel economy standard”
Model “fully compliant“
II-5. Development of Energy Conservation Technologies
Main Research and Development Projects for Energy Conservation
  • Cross-sector
    • Strategic development projects for technologies for rational use of energy
      In order to achieve a technological breakthrough that helps promote energy conservation in the industrial sector, commercial/residential sector, and transportation sectors respectively, research and development projects focusing on energy conservation shall be systematized and research and development of higher repercussion effects and higher investment efficiency shall be prioritized.
  • Industrial sector
    • Research and development of energy efficient chemical processes
  • Commercial/residential sector
    • Research and development of next-generation highly energy-efficient displays
    • Research and development of energy efficient highly energy-efficient semiconductor devices
  • Transportation sector
    • Research and development of lightweight automotives and aircraft
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