Originally Posted by
empiretc
You would be better off making biodiesel, but since your truck is an older one, it should be ok. Just keep up with the filters. Same for the mercedes.
Before you blend it though, remember to filter it a few times. Filter way down.
Filter? New, food-grade oil? Why would I need to filter it? What would I be trying to filter out of it? There shouldn't be anything in it that needs to be filtered out, should there?
I don't understand...