Petroleum By Products is a byproduct created when bitumen found in tar sands, like those is refined into crude oil. Bitumen contains a higher number of carbon atoms than regular oil and its these atoms, extracted from large hydrocarbon molecules using heat, that go on to form Petroleum By Products.

High grade Petroleum By Products which is low in sulphur and heavy metals can be used to make electrodes for the steel and aluminum industry. But the majority of Petroleum By Products manufactured globally, approximately 75-80%, is of a much lower grade, containing higher levels of sulphur and heavy metals and is used solely as fuel. The majority of Petroleum By Products produced in the the world s largest consumer of coal to feed its many coal-fired power stations.