The California Biomass Collaborative estimates that the state produces about 24.2 million dry tons
of cellulosic biomass annually, with enough of this available for the sustainable production of fuels displacing about 1.1 billion gallons of gasoline each year (http://biomass.ucdavis.edu).
Depending on the market scenario and the extent that forest resources contribute, the estimated biomass resource that can be economically recovered in California varies between about 18 and 25 million dry tons
per year at biofuel prices from $2.20 to $4.00 per gallon of gasoline equivalent (gge), excluding corn imports but including in-state waste oils and fats.
Transporting com stover as chopped, baled, or cubed over a 25-mile (40-kilometer) distance is estimated to cost $18.94, $12.32 or $5.72 per dry ton
($20.35, $13.55, $6.29 per dry metric ton), respectively.
They found that about 1.3 million dry tons
could be used to generate 2,400 MWh of electricity in coal-fired power plants.
Harvest productivity for each machine in the system ranged from 2.31 to 39.32 bone dry tons
per productive machine hour (BDT/PMH).
Table 1.--Total oven dry ton
volumes of woody biomass fuels used by responding primary wood processors, secondary wood manufacturers, and non-wood processing facilities in North Carolina in 2004.
Polymer usage decreased significantly to between 9 to 10 lb per dry ton
for SD 2000.
Hybrid poplar, a short-rotation woody crop, annually produces 4 to 7 dry tons
per acre of hardwood pulpwood over a 6- to 10-year rotation.
Volume risk is currently mitigated by the plant's actual production which has been well above the minimum threshold, averaging 57,200 dry tons
For this study, the estimates of SEH (2009) for mill with a daily capacity of 181 dry tons
was selected because of its relative cost efficiency in the long run compared with plants of other capacities (Joshi et al.
Roughly 500 local farmers within a 30mile radius of the facility will supply DuPont with 375,000 dry tons
of stover annually.
RRB's first plant will convert approximately 140,000 dry tons
of woody biomass feedstock into at least 12m gallons per year of renewable jet, diesel, and naphtha fuels.