イアン デイウﾞィ   Iain DAVEY   イアン・デイヴィ    所属   京都外国語短期大学  キャリア英語科    職種   准教授
発表年月日	2025/11/14
発表テーマ	Using Waste Vegetable Oil (WVO) as a Local Carbon Neutral Car Fuel: A Case Study
会議名	The 14th International Symposium on Environmentally Conscious Design and Inverse Manufacturing (EcoDesign2025)
学会区分	国際学会
発表形式	口頭（一般）
単独共同区分	単独
国名	日本
開催地名	Tokyo
開催期間	2025/11/12～2025/11/14
概要	This case study details the use of waste vegetable oil (WVO) as an alternative fuel in a conventional diesel vehicle in Japan. Over 18 years and 200,000 kilometres, the vehicle operated on filtered WVO sourced from local restaurants. Modifications enabled reliable year-round use, though winter performance and fuel quality initially create challenges. Data collected over a seven-year period showed comparable efficiency to diesel and highlighted key maintenance and environmental factors. While not easily scalable, WVO offers a low-cost, low-carbon solution for individuals seeking energy independence. The findings highlight the potential of grassroots, localized fuels as transitional tools in sustainable transportation.