The insane obsession with both wind and solar PV technologies, both hugely expensive and producing tiny yields of power, ignores the greenest technology of all, one for which we have massive existing reserves, and one that can be developed locally at relatively low cost - coal pyrolysis. Simply, this is heating coal without allowing it to burn, and capturing both the volatiles given off and the hard waste remaining. One of the UK's last coal pyrolysis plants, at Carrickfergus, is shown below. Even non-engineers can see how simple it is.
About half of the gas output is Hydrogen and 35% Methane. Hydrogen is the real vehicle fuel of the future, and Methane can go straight to existing domestic supplies. Carbon monoxide is also produced; this can be hydrolised with Hydrogen to make Methanol, used to produce biodiesel. By-products include coke and coal tar. Coke can be burned as a smokeless fuel in domestic fireplaces, and coal tar can be further distilled to provide a range of useful products. There are small amounts of Sulphur (Sulphuric acid for batteries) and Ammonia (fertilisers and explosives) produced. Pretty much everything can be used.
Coal. The greenest energy source.
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