![Natural gas and wind energy killed coal, not 'war on coal' | CU Boulder Today | University of Colorado Boulder Natural gas and wind energy killed coal, not 'war on coal' | CU Boulder Today | University of Colorado Boulder](https://www.colorado.edu/today/sites/default/files/styles/medium/public/article-image/building-2058_1920.jpg?itok=_paXS69p)
Natural gas and wind energy killed coal, not 'war on coal' | CU Boulder Today | University of Colorado Boulder
![Petroleum, natural gas and coal: Nature, formation mechanisms, future prospects in the energy transition (Hors collection) : Durand, Bernard: Amazon.es: Libros Petroleum, natural gas and coal: Nature, formation mechanisms, future prospects in the energy transition (Hors collection) : Durand, Bernard: Amazon.es: Libros](https://m.media-amazon.com/images/I/71kYEb3bNXL._AC_UF1000,1000_QL80_.jpg)
Petroleum, natural gas and coal: Nature, formation mechanisms, future prospects in the energy transition (Hors collection) : Durand, Bernard: Amazon.es: Libros
![Supply or Demand? Integrating Perspectives on the Historical Transition from Coal to Hydrocarbons - University of Toronto Press Supply or Demand? Integrating Perspectives on the Historical Transition from Coal to Hydrocarbons - University of Toronto Press](http://blog.utpjournals.com/wp-content/uploads/2019/01/1-1.jpg)