About IIJIMA AKIRA
About 機械部会
About IIJIMA AKIRA
About internal combustion engine
About thermal efficiency
About Thermodynamics
About transmission gear
About automobile
About carbon dioxide emissions
About Otto cycle
About carbon dioxide emission reduction
About CO2 reduction
About power train
About Spark ignition engines
About 内燃機関
About 高効率化
About 原理