Richard Heinberg – The Conservation Imperative: Energy Limits to Growth

While this report is focused on the prospects for alternative energy sources to replace fossil fuels, it is useful to apply the above criteria first to oil, coal, and gas so that comparisons can be made with their potential replacements.

Oil. As the world


Plus: Petroleum has become so widely relied upon because of its basic characteristics: it is highly transportable as a liquid at room temperature and is easily stored. It is energy dense (a cup of oil contains as much energy as 1