I guess that is because sunflowers have short harvest cycle? But iirc sunflower demands greater land areal vs olives for same yield, and the shorter cycle proc

I guess that is because sunflowers have short harvest cycle? But iirc sunflower demands greater land areal vs olives for same yield, and the shorter cycle process ought also then cause more CO2. So I suspect although olive oil is more expensive, but environmentally a better choice.