Photo: Anton Fomkin

DW World – Siegfried Rotthaeuser and his brother-in-law have found a way to skirt around an EU ban on incandescent light bulbs brighter than 60 watts by importing them from China and selling them as “small heating devices” called “heatballs.”

The mechanical engineer from the city of Essen began marketing 75 and 100 watt bulbs as mini-heaters since he calculated that just 5 percent of the energy they use creates light while the other 95 percent is turned to heat.

Click here for full story