Going renewable (09/06/16 19:28:00)
Or maybe not.
So we need high-yield solar energy retention. So far industry has concentrated on photovoltaics. The problem is that peak sunshine and peak demand come at different times - so there must be storage.
But you cannot run a passenger aircraft on batteries. You need a liquid carbon-based fuel with higher energy density than methanol or ethanol. You need a hydrocarbon. So we need factories that can convert CO2 photochemically into hydrocarbon fuels. Jet fuel, rocket fuel: give me pinene.
So far we have only biological material as feedstock for the process.
We need the bacteria to be able to use photochemically generated methanol or formic acid as raw material.
Still a long way to go. But if I ever go for home-made drones, I'll fuel my turbines with biotech pinene dimer.
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