Oil, fuel. Is that what your asking? I don't get it.
The answer is Bernardo Daddi
<span>The miraculous image was destroyed by fire, but replaced with a new image in the 1330s by </span>Bernardo Daddi. It was <span>set in a sophisticated designed and lavishly wrought canopy by </span>Orcagna. Bernardo Daddi's <span>madonna and child, commissioned for orsanmichele, replaced an earlier madonna and child, renowned for its miraculous powers.</span>
The awsner is Scholars revived an interest in classical ideas.