- 1 round trip flight / outing at 25-30 gallons Avgas = 30 gallons / trip
- 5 persons average = 6 gallons / person
- 18.4 lbs CO2 / gallon Avgas (SOURCE: https://www.eia.gov/environment/emissions/co2_vol_mass.php)
- 110.4 lbs CO2 / passenger x $0.021 / lb CO2 = $2.32 offset cost.