September 11th 2001 Used the same High-tech Fuel since 1989

NYPD Museum NYC 

High Temperature Accelerants (HTA's) 

For instance, typical fires generally do not generate temperatures higher than 2,000 F (1,093 C). With such temperatures, finding damage such as melted steel or badly damaged concrete is unusual. Since investigators

began finding such damage in the first of the now entitled HTA

fires, a name was created to describe what was thought to be a new

type of blaze.  (Carman & Associates) - High Temperature Accelerant Fires.pdf

Page 217 Consequently, the 9/11 museum conducted additional research, analyzing the heat levels that had created the fused material. Scientists determined that, at heat levels beyond 2,000 two thousand degrees
Fahrenheit.

Seattle Arsonist - Unsolved Mysteries Wiki The King of Arsonist

http://unsolvedmysteries.wikia.com/wiki/Seattle_Arsonist



The Vacant Warehouse May Have Been Burned Using A High-tech Fuel.
http://articles.orlandosentinel.com/1993-11-08/news/9311080226_1_chevron-hta-asbestos

 "one involving untraceable fuel, infernolike heat"

9/11 thermite fires at Ground Zero release 25 Lenny Mulhern



 HTA fires is the appearance of intense white or nearly white flames