The bases of the first industrial revolution have seen the carbon as power source and the railway as infrastructure through the steam engine ; the second industrial revolution, found on oil have seen the birth of the internal combustion engine follow through the car ,therefore, roads and toll roads. In these cases, the wealth of countries with carbon and oil had a greater economic boom. Now, technologies enable to obtain energy from renewable sources, fairly provided in the world, in other words where there is more sun there is less wind or vice versa (anyway tides, geothermal science, biomasses etc.), it comes to develop the electric engine, the batteries and the hydrogen as energy storage.
(Traduzione a cura di Laura Pavanello)
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