High Fidelity.. Pity their road names don't zoom up to some degree.. it is so hard to read the road names, that as an old bugger i need a magnifying glass..
"They also burn a fossil fuel, which is more detrimental to the environment than low-power LEDs"
True however the true cleverness was that they burn the fumes coming off the sewerage system safely disposing of formally dangerous build ups of the gas while getting brighter at the same time.
So essentially fossil fuel
is only a part of what they burn.