ULSD rack volume gallons (ULSDV)

What is it? 

Volume sales of ULSD at the wholesale rack distribution point. This data is also available on the regional level set by airport code. 

Who is interested?  

The entire trucking sector would have interest in the trends in this market, with individual markets of interest to those who would be buying fuel in those regions. 

What does it tell me?

The daily volume of ULSD sold through the rack. It is an indicator of demand.