Aspen2 is not green. its Aspen 4, which is part of the gasoline distilation process, but the oil they mix in for the 2 stroke engines is a syntetic bio oil. ht

Aspen2 is not green. its Aspen 4, which is part of the gasoline distilation process, but the oil they mix in for the 2 stroke engines is a syntetic bio oil. https://www.aspenfuels.us/knowledge/what-is-alkylate-fuel/what-is-alkylate-gasoline/ https://www.aspenfuels.us/knowledge/what-is-alkylate-fuel/wh...