The system is supposed to work regardless of solar light and the device is so unobtrusive that it can be placed in public spaces. Movigi Spain Air Filter already makes air purifiers that remove CO2 from closed spaces, so they have a little bit of history with the idea. However, I still prefer to use a natural device to suck CO2 out of the air: trees.
BOLD MOVES: THE FUTURE OF FORD Step behind the curtain at Ford Motor. Experience the documentary first-hand.