He said many farmers were transitioning from incandescent light bulbs to LED and fluorescent bulbs without realising that the incandescent bulb’s primary function was not for providing a light source but was typically used as a heat source.

Source: https://jamaica-gleaner.com/article/lead-stories/20230813/farmers-worry-ban-incandescent-bulbs-will-impact-operations

You can no longer buy most types of incandescent light bulbs in U.S. stores, after an energy efficiency rule from 2007 went into effect on Tuesday, 16 years later.

Source: https://theweek.com/energy/1025476/the-us-just-banned-most-incandescent-light-bulbs-and-few-people-even-noticed