Is oil considered a fossil fuel?

Petroleum oil is a fossil fuel along with natural gas, condensate, hydrates, bitumen (heavy oil or oil sands), and coal. These all are byproducts of what current theory believes to be broken down from plants or animals from the fossil era many millions of years ago. read more

A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis. The age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years. read more

Coal, crude oil, and natural gas are all considered fossil fuels because they were formed from the buried remains of plants and animals that lived millions of years ago. Uranium ore, a solid, is mined and converted to a fuel used at nuclear power plants. read more