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Problem

Half of the world’s liquid fuel is consumed by the transportation sector and it is predicted to increase in the future (U.S. E.I.A.)
New fuels generally involve designing new engines
The U.S. is forced to rely heavily on imported liquid fuels
Ethanol is not an ethical solution because it increases the price of corn, which is a food staple worldwide

Country’s Need: reduced greenhouse emissions, dependency on foreign oil, and the consumption of fossil fuels

Goal

To develop a fuel that is consistent with the products on the marketplace but can be produced sustainably on a domestic level. The team’s approach was to design a process for converting cellulosic material into a usable fuel on a large scale and then verify the technological and economic feasibility of implementing such a process in the United States.

Feedstock

Miscanthus Giganteus (MxG)

Benefits:

A non-food crop
Easily grown in poor soil unsuitable for the growth of a food crop
Harvestable for 20 years off one rhizome
Low moisture content upon harvesting

 

Results

The resulting facility is capable of producing 125.7 million gallons (10,930 Bbl/day) of gasoline components annually, using 17 square miles of cropland. The plant could produce about 0.09% of the 134 billion gallons of gasoline consumed in the United States. After performing a cash flow analysis, we calculated an internal rate of return of 11.72% with a payback period of 6 years when our gasoline is sold at $3.67/gallon, comparable to premium gas prices. Accounting for feedstock costs, utilities, sulfur credit, and transportation costs, variable costs total to $1.86/gallon of gasoline while operating costs total to $1.38/gallon of gasoline. Thus, the plant is economically feasible given today’s economic forecasts.

  • Mission Statement

    It is our top priority to provide a sustainable source of fuel, which economically utilizes available resources without borrowing from important food sources or harming the environment.

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