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freebeard · 01-18-2020, 10:32 PM

On the solutions side of the ledger:

gravity-driven mechanical battery: Gravitricity - fast, long-life energy storage $141/KWyear is less than lead acid or lithium ion electric batteries.
Compress Air with No Moving Parts! - Trompe uses hydraulic head to compress air and no heat is generated.

Biochar and hempcrete are still necessary.

01-18-2020, 10:32 PM	#8198 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 28,870 Thanks: 8,190 Thanked 8,965 Times in 7,405 Posts	On the solutions side of the ledger: gravity-driven mechanical battery: Gravitricity - fast, long-life energy storage $141/KWyear is less than lead acid or lithium ion electric batteries. Compress Air with No Moving Parts! - Trompe uses hydraulic head to compress air and no heat is generated. Biochar and hempcrete are still necessary. __________________ . .Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster