2
In Tamid 2:3, the Mishna tells us that the kohanim would bring גִזְרִין - logs - every morning to serve as the fuel for the fire on the Altar. It goes on to report that most types of wood are eligible, but that
בְּאֵלּוּ רְגִילִין, בְּמֻרְבִּיּוֹת שֶׁל תְּאֵנָה וְשֶׁל אֱגוֹז וְשֶׁל עֵץ שָׁמֶן...