Shops, train stations, museums and other users can buy lights, and pay for the smartphone location services that they enable via usage fees.
Elk Grove Village hopes it will improve the learning environment too, as it ditches fluorescents.
New indoor lighting money could spare the upfront costs of an LED upgrade at office, manufacturing and other facilities. Follows on the heels of the bank's streetlighting initiative.
A taste of the future, as BMW shows off its 'Light and Charge' in Oxford.
And Prime Minister Modi is just getting started, as further reductions coming later this year.
If you're going for the ambience of open flames, please be careful. This nightclub operator – and former Apprentice star – wasn't.