The factories in Firozabad, just 21 miles from the Taj Mahal, have been barred from using coal-fired furnaces since 1996 to protect the monument’s white marble facadeThe factories in Firozabad, just 21 miles from the Taj Mahal, have been barred from using coal-fired furnaces since 1996 to protect the monument’s white marble facade Latest News [ SOBAN NEWS: International and National ]