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Alternative Fuel

you know what would be really impressive? a new green fuel alternative that could be used in regular gas powered cars. imagine if someone could figure that out
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OldBrit · 61-69, M
In what way green? Not made from oil directly we've had for years (cost and quantity is main issue over adoption).

Green as in no greenhouse gas emissions there is a more difficult issue because any combustion of hydrocarbons will produce CO2 etc.

I still don't see why we've not put more energy into fusion power and hydrogen fuel cells (more exactly cheap plentiful hydrogen extraction from water).
Rickg · 31-35, M
Isn’t hydrogen unstable though? I thought that was the main issue holding hydrogen fuel back @OldBrit