Coryton (the fuel supplier) has a PR post [1] about it with a few more details. Their Sustain fuel is "blended bioethanol and biogasoline" [2]. Sustain 100% mig

Coryton (the fuel supplier) has a PR post [1] about it with a few more details. Their Sustain fuel is "blended bioethanol and biogasoline" [2]. Sustain 100% might mean either it's 100% bioethanol or 100% biogasoline, I haven't been able to find anything saying what the percentage means. [1] https://coryton.com/lab/news/mazda-using-sustain-100-per-cent-fossil-free-fuel/ https://coryton.com/lab/news/mazda-using-sustain-100-per-cen... [2] https://coryton.com/sustain/ https://coryton.com/sustain/