"Body heat already warms the (train)station itself but the
surplus, currently let out in thin air, will be redirected to
provide as much as 15 percent of the heating in a planned 4,000
square meter office building..."

http://www.msnbc.msn.com/id/22595086/?gt1=10755

Commuters' heat will warm up offices
MSNBC

James Gabriel Duncan

BioEnergy and Sustainable Technology Society
http://grove.ufl.edu/~bests/