[15] Verdere besparingen zouden kunnen worden bereikt door de introductie van op LED's (lichtemitterende diodes) gebaseerde verlichtingssystemen, waarmee tegen 2015 in Europa naar schatting 40 GW pieklast of 2 miljoen vaten olie per jaar kunnen worden uitgespaard (zie Photonics for the 21st Century, VDI, 2005).
[15] Further savings could be achieved by the introduction of solid state LED (light emitting diodes)-based lighting for which estimates of reductions in Europe by 2015 are of the order of 40GW of peak demand or 2 billion barrels of oil per year (ref: cited in Photonics for the 21st Century, VDI, 2005).