In the dot-com boom of the 1990s, companies would release news of software innovations that were little more than ideas jotted on the back of an envelope. As the market for green alternatives to oil hot up, many solutions will be mooted and many will disappear as unviable.
What will happen to the idea of using CO2 as a source of fuel itself? It has a neat singularity to it – the pollutant becomes the fuel…
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