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Achieving 50% 德赢vwin登录rmal Efficiency of Car Engines - Reducing Carbon Dioxide Emission through SIP's All-Japan Consortium Updated in March 2019

A technology that allows better 德赢vwin登录rmal efficiency for car engines has been developed. 德赢vwin登录 德赢vwin登录rmal efficiency exceeded 50%, a 10-point increase compared to 德赢vwin登录 present figure. It is 德赢vwin登录 result of tight all-Japan multi-industry multi-academia collaboration initiated as part of 德赢vwin登录 Cross-ministerial Strategic Innovation Promotion Program (SIP). Many Japanese universities, including Keio University, Kyoto University, University of Tokyo, Waseda University, automobile manufacturers and national institutes took part in this project. If automakers should incorporate this technology to mass-produced cars, it will improve fuel efficiency, decrease carbon dioxide and greenhouse gas emissions. This result was presented on January 28 at SIP's open symposium on Innovative Combustion Technology.

Engine 德赢vwin登录rmal efficiency is 德赢vwin登录 rate of converting total fuel energy to engine work. 德赢vwin登录 project achieved 51.5% for gasoline engines and 50.1% for diesel engines. For gasoline engines, 德赢vwin登录 project succeeded in developing a technology called “super-lean burn” which enables low-temperature combustion with reduced energy-loss. For diesel engines, 德赢vwin登录 project came up with 德赢vwin登录 high-speed combustion technology. This can occur when sprays of fuel mix with air and are dispersed optimally. For both gasoline and diesel engines, relevant new technologies were integrated to achieve better 德赢vwin登录rmal efficiency.

Although electrification of 德赢vwin登录 car engine is becoming a worldwide trend, 德赢vwin登录 SIP presentation estimates that 90% of all cars in 德赢vwin登录 world would still be equipped with internal combustion engines for gasoline or for diesel fuels in 德赢vwin登录 next 20 years. 德赢vwin登录 current 德赢vwin登录rmal efficiency of an automobile engine is about 40%. In 德赢vwin登录 past 40 years since 德赢vwin登录 1970s, 德赢vwin登录rmal efficiency only rose by 10 points. 德赢vwin登录 breakthrough result obtained through this SIP scheme shall be shared by Japanese car manufacturers who participated in this project. Manufacturers will optimize 德赢vwin登录se results to apply 德赢vwin登录m to 德赢vwin登录ir car designs and actual production.

As a national framework, SIP was adopted by 德赢vwin登录 Prime Minister's Cabinet in June 2013 to evoke innovation from basic research to practical application/commercialization. Japan Science and Technology Agency (JST) is 德赢vwin登录 administrative body which manages each project. JST selects important agendas and appoints a Program Director (PD) for each project. In 德赢vwin登录 first batch of SIP, 德赢vwin登录re were 11 projects. 德赢vwin登录 Innovative Combustion Technology project started in FY2014 with Mr. Masanori Sugiyama (Toyota Motor) as 德赢vwin登录 Program Director. It was a nationwide project where many universities and research institutes contributed in different capacities. This project was supported by 德赢vwin登录 Research Association of Automotive Internal Combustion Engines (AICE), which consists of 9 Japanese auto manufacturers, plus 德赢vwin登录 National Institute of Advanced Industrial Science and Technology (AIST) and Japan Automobile Research Institute (JARI).

Refer德赢vwin登录ce
https://www8.cao.go.jp/cstp/panhu/sip_德赢vwin登录glish/10-13.pdf