A federal appeals court ruled Wednesday that negligence was not behind the collapse of 7 World Trade Center.
The 2 to 1 decision issued by the Second U.S. Circuit Court of Appeals in Manhattan clears a company owned by developer Larry Silverstein and others in the collapse.
Con Edison claimed negligence in the collapse because tenants of 7 World Trade Center were allowed to install diesel backup generators in the building.
That fuel burned for hours after chunks of the Twin Towers ripped through the building.
7 World Trade Center collapsed around 5:20 p.m. on September 11, 2001, destroying a Con Ed substation located under the building.