The phrase "dry ton" refers to a unit of measurement used for things that are not liquid or wet. It helps to measure the weight of things like wood or other solids that don't have any moisture. Full definition
As much as 400 million dry tons of these crops could be produced each year by 2030. (ucsusa.org)
It is estimated to cost eight dollars ($ 8.00) per dry ton for biomass feed stocks to be transported less than fifty miles. (hubpages.com)
By 2012, Coskata envisions commercial production of 50 — 60 million gallons of ethanol per year, made by gasification of approximately 1,500 dry tons of biomass per day. (qteros.com)