Though the idea of fossil fuels containing bits of T-Rex or Diplodocus might be compelling, it overlooks an essential fact: dinosaurs represented a tiny fraction of Earth’s total biomass.

News Release 30-Dec-2016 Fossil fuel formation: Key to atmosphere's oxygen? Peer-Reviewed Publication University of Wisconsin-Madison ...

How are fossil fuels formed, why do they release carbon dioxide and how much of the world’s energy do they provide? And what are the renewable energy sources that could replace fossil fuels ...