Mobile biofuel refineries provide sustainable energy for farms
By Maggie Koerth-Baker
Posted 05.06.2010 at 11:48 am 1 Comment
A hundred years ago, threshing machines chugged from farm to farm across the plains, separating stalk from grain and turning raw crops into valuable commodities. By sharing the machine, farmers could boost productivity without owning the prohibitively pricey equipment. Today, that business model could work for a new product: biofuel.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.