More attractive and functional than those overhead message-boards flashing some inane and unnecessary message, these horizontal wind turbines
(VIA TreeHugger & Eyebeam reBlog
) offer an untapped alternative energy source. Harnessing the turbulence from vehicles whizzing down the highway, overhead turbines could produce an annual output of 9,600KwH of electricity, which is nothing to sneeze at! And just think, if we could harness the energy wasted by blogging, we'd probably be energy self-sufficient in no time at all.