רבינו גרשום מסכת תמיד דף כט עמוד ב
What is the reason [for the priests not burning logs from olive trees and grapevines]? Is it not because they are ash producing? It is that they make too much smoke. [Translation by Yonatan Neril]
Suggested Discussion Questions:
What are the consequences of having too much smoke in the air?
Time Period: Medieval (Geonim through the 16th Century)