noun
Non-Fossil Fuel Certificate
A certificate used in Japan's energy sector to prove that electricity was generated from non-fossil fuel sources, often traded to meet renewable energy targets.
企業は非化石証書を購入することで、実質的に再生可能エネルギーを使用したとみなされる。
By purchasing Non-Fossil Fuel Certificates, companies are considered to have effectively used renewable energy.
Compound of 非 (non-), 化石 (fossil), and 証書 (certificate). A modern technical term reflecting energy policy.