New Post Tom Raftery: Tesco's new zero carbon store cost 30% more to build, but it uses 50% less energy so v quick ROI http://j.mp/aLlIXM on http://www.ecofriendlygreenmattresses.com/tom-raftery-tescos-new-zero-carbon-store-cost-30-more-to-build-but-it-uses-50-less-energy-so-v-quick-roi-httpj-mpallixm