The above site has most of the frequently asked questions. It also has a "contact us" and you could probably email them to find out about the ceramic burners.
By Jamie Shouse (Guest Post)
06/18/2004
I use glassware (like Pyrex) and Corningware that is oven safe on my stove top (it is gas) on a medium to low setting. I wouldn't turn the heat up real high, you will risk cracking the dish.