Monthly Archives: December 2011

Justifying the LED light bulb

An article in the Wall Street Journal (Nov 30, 2011) describes the calculation being done by companies like WalMart as they switch to light bulbs made from light emitting diodes (LEDs), which last potentially 10 times longer than regular light … Continue reading

Posted in Operations Management, Supply Chain Issues, Sustainability | Tagged , , , , | 1 Comment