Polls & Quizzes Poll: Are You OK Paying 60 To 90 Cents More For An Unleaded Avgas? Paul Bertorelli July 28, 2021 7 Print Email Facebook Twitter Linkedin Poll: Are You OK Paying 60 To 90 Cents More For An Unleaded Avgas? Yes, it's worth it to me. I will if I have to. Why? Lead is not a problem. No, I'm not. Other Now that GAMI has finally been awarded an STC for its 100-octane aviation fuel, today’s poll asks if you’re willing to spend 60 to 90 cents more a gallon to burn it in you airplane.