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The feasibility of using certain types of raw materials for production of motor fuels is largely determined by economic factors, resource, i.e. the availability of sufficient resources, technical and economic indices of production of primary resources.
The most representative and valid assessment of world energy resources are given to the World Energy Conference, held every three years. Consider some of the available estimates and forecasts for certain types of primary energy resources.
Oil.
Size of oilfield ceteris paribus very much influenced by the cost of production, but only for relatively small values of this index. Heavy crude oil and natural bitumen are non-traditional hydrocarbon resources. However, on physical and chemical characteristics, the conditions of extraction and processing of heavy oils are intermediate between conventional oil and natural bitumen.
Heavy oil is concentrated mainly in Canada (Alberta) and in the Orinoco Oil Belt in Venezuela.
Shale oil.
Resource assessment of both the shale and hydrocarbons contained in them is extremely controversial and range from 700 million tons to 26 trillion. Of those that are significant to about 460 billion tons
. The share of oil in recoverable reserves account for 12.6% of total reserves of fossil fuels, and with the extra-just 3.4% of total resources.
A very large resource base has renewable energy sources.
They can be directly converted into electrical energy, and solar and geothermal energy in heat.