Now, my city is using hundreds of solar panelled LED signs propped up on the side of the road to move traffic away from construction.
The energy use is nil, and the improvement this brings will undeniably save lives. Energy usage is slowly divorced from growth.
Now, my city is using hundreds of solar panelled LED signs propped up on the side of the road to move traffic away from construction.
The energy use is nil, and the improvement this brings will undeniably save lives. Energy usage is slowly divorced from growth.