Surprisingly, there is a better --not well known-- energy efficient lighting solution than LED for roads, factories, and the like. Interestingly, Tesla invented it! It's called induction lighting. From the latest issue of Distributed Energy magazine... "While it’s more expensive than traditional lighting, it is cheaper than LED. However, it has other benefits, such as long life, due to electrode-less technology. Because there are no parts inside the lamp, it lasts “forever,” which Shelton equates to 100,000 hours or roughly 20 years if left on around the clock. LED is an adequate source light, Shelton explains, but it dissipates quickly—induction...