One of the major driving forces behind the pursuit of green energy sources in the last few decades has been the relative scarcity of oil around the world. Because it is very gradually becoming more difficult to source oil in environmentally-safe ways, there’s an ever-present fear that one day, we’ll just run out completely, leaving our combustion engines useless. What we need to prepare for this eventuality is a readily-available, environmentally-neutral fuel. When it comes to readily available sources
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