Coal and oil shale energy allow Norway to export its oil and gas to the EU.
Oil shale is a kind of sedimentary rock that is rich in kerogen. Coal is called a fossil fuel because it was made from plants that were once alive! considering that coal comes from plants, and plants get their energy from the sun, the energy in coal also came from the sun.
Oil shale may contain between 60 and 90% mineral matter (non-organic), while coal will contain, by definition, less than 40%.
The kerogen within oil shale is also of different organic composition than coal, which enjoys a greater matured natural makeup that is lower in hydrogen and higher in oxygen than oil shale kerogen.
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