Waste Energy The cudgel held over agriculture-based feedstocks has typically been indirect land use. The U.S. biofuel industry is currently battling with California regulators over its calculation. Works in Progress editor Samuel Hughes identifies land use restrictions as newly common across all Western nations. He calls it the “Great Downzoning.” If people think the current housing shortage is a problem, wait until the foodies make policy progress in downzoning agriculture.  Europe’s latest bioeconomy policy finally tips its hat to life cycle ingredients in the energy chain. The notable development is how what was once waste is now fashionably recognized for its value – and especially its energy component.&nbsp...