What, you weren’t thinking about your apartment building’s boiler? Well, why not?
Archive | Upper East Side
Deep (Number) Six-ed: Biofuels Replacing Number Six Heating Sludge On UES
Number Six Heating Sludge is pretty nasty stuff and a big part of lovely images like this one. It will also soon be illegal, but what replaces that funky stuff is still an open question. At one building on the Upper East Side, the surprising answer is: biofuels.
