Issues raised include asking how bus services and fleet play their part in reducing reliance on the car; improving air quality; and tackling the climate emergency.
Ymhlith y materion a godwyd roedd sut y gall gwasanaethau bysiau a'r fflyd bysiau helpu i leihau'r ddibyniaeth ar geir; gwella ansawdd aer; a mynd i'r afael â'r argyfwng hinsawdd.