The MRF is based in the building of an old incinerator.

Siggy had his head inside an old incinerator.

Earlier that year the old incinerator ceased operations after protests by the public and Greenpeace.

The crematory had been built from the old incinerator.

But the old incinerators, even though equipped with precipitators, "are a generation behind these modern combustion techniques."

New York already has three old incinerators, much more polluting than the Navy Yard would be.

By building one modern, clean-burning plant and getting rid of two older incinerators, he said he is helping the air quality.

One problem is the many smaller, older incinerators, in which incomplete combustion releases more dioxin.

It replaces an old incinerator which caused problems when half burnt hospital notes rained out of its chimney onto nearby gardens.

Several old incinerators, like the one next to the Merrick landfill, have also shut down.