3174 



Chapter 26 



FUEL COST OF STEAM (DOLLARS/MILLION BTU) 

 6.00 5.00 4.00 3.00 2.00 



ANSWER: 

 $1.70/MILL. BTU 



BARK@$10/TON 



COST: GAS (CENTS/1,000 CU. FT.) 



90 120 



OIL (CENTS/GAL.) 



Figure 26-6. — Example of how to use the fuel value comparison graph. See test para- 

 graphs Comparison to fossil fuels. (Drawing after Arola 1975.) 



