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Those Liquid Pistons are probably the most interesting engine design to come a long in a long time, but they're still unproven technology. I haven't kept up on it but I think they've been working on figuring out how to get the engine to survive any significant length of time.

I agree that huge batteries are a waste, but I think there's basically no future in fossil fuel ground transportation. Hybrids are a transitional technology we might use for awhile because we don't have the EV production capacity.

In the long run I think we're better off electrifying our major highways so cars and trucks can charge without stopping. There are several ways to do it, of which induction is the least practical and most expensive.




We should be open to manufacturing liquid fuels or growing them. Esp if they are used sparingly as a backup source. They are energy dense, portable and transferrable.




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