Thepurposeofthispaperistoclarifythequestionsconcerningstimulationoftheinnovationandthediffusionofenergysavingorlow-carbon.Todoso,thispaperexplainsusingtwocasesofJapan-energysavinginnovationaftertheOilShockandtheecopointssystem.Forthecaseaftertheoilshock,weexplaintheenergysavingtrendaftertheOilShockandthefactorsstatistically.Thenweputforwardthebusinessmodelforthelow-carboneconomy.Furthermore,weanalyzethecaseoftheecopointssystemfrom2009-2011inJapanandexplainthesignificanceofthebusinessmodelfordiffusionofthelow-carbonproducts.
