More than 99% of the total lifecycle energy of a incandescent is in its use. Let's just repeat that. More than 99 percent of the total lifecycle energy of a t

More than 99% of the total lifecycle energy of a incandescent is in its use. Let's just repeat that. More than 99 percent of the total lifecycle energy of a typical incandescent bulb is in its use. That includes raw materials, manufacturing, and transport. Source: https://energy.gov/sites/prod/files/2015/10/f27/lca_factsheet_apr2013_0.pdf https://energy.gov/sites/prod/files/2015/10/f27/lca_factshee...