translation.en: Some years ago, I set out to try to understand if there was a possibility to develop biofuels on a scale that would actually compete with fossil fuels but not compete with agriculture for water, fertilizer or land.
translation.zh: 几年前，我试图去了解 是否大规模开发生物燃料是可行的 这种生物燃料会与化石燃料竞争 而不会与农业竞争水源， 肥料或者土地