| Liquid transportation fuels from coal and biomass: technological status, costs, and environmentals impacts / America's Energy Future Panel on Alternative Liquid Transportation Fuels; National Academy of Sciences; National Academy of Engineering; National Research Council of the National Acadamies. - Washington: National Academies Press, 2009. - xvii, 370 p.: ill. (chiefly col.). - Incl. bibl. ref. - ISBN-10 0-309-13712-6; ISBN-13 978-0-309-13712-6
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SYNOPSIS ........................................................ 1
SUMMARY ......................................................... 7
1 LIQUID FUELS FOR TRANSPORTATION ............................. 51
Demand for Liquid Transportation Fuels ...................... 52
Alternative Transportation Fuels ............................ 55
Purpose of This Study ....................................... 56
Context of Report ........................................... 58
Structure of This Report .................................... 60
References .................................................. 61
2 BIOMASS RESOURCES FOR LIQUID TRANSPORTATION FUELS ........... 63
Current Biomass Production for Biofuels ..................... 64
Biomass Resources ........................................... 70
Research and Development .................................... 89
Costs of Supplying Biofuel Feedstocks ....................... 92
Environmental Effects ...................................... 100
Findings and Recommendations ............................... 103
References ................................................. 106
3 BIOCHEMICAL CONVERSION OF BIOMASS .......................... 117
Technology Alternatives .................................... 117
Biochemical Conversion of Cellulosic Biomass ............... 121
Cost and Performance ....................................... 132
Technology Forecast ........................................ 145
Findings and Recommendations ............................... 153
References ................................................. 157
4 THERMOCHEMICAL CONVERSION OF COAL AND BIOMASS .............. 163
Status and Challenges of Technology Alternatives ........... 164
Indirect-Liquefaction Technologies ......................... 167
Direct-Liquefaction Technologies ........................... 209
Findings and Recommendations ............................... 215
References ................................................. 221
5 DISTRIBUTION ............................................... 225
Ethanol Transportation ..................................... 227
The Market for Biofuels .................................... 235
Findings and Recommendations ............................... 239
References ................................................. 240
6 COMPARISON OF OPTIONS AND MARKET PENETRATION ............... 243
Comparison of Costs, Greenhouse Gas Emissions, and
Potential Fuel Supply ...................................... 244
Market Penetration ......................................... 259
Findings and Recommendations ............................... 265
Reference .................................................. 267
7 OVERALL FINDINGS AND RECOMMENDATIONS ....................... 269
8 KEY CHALLENGES TO COMMERCIAL DEPLOYMENT .................... 277
Challenge 1 ................................................ 277
Challenge 2 ................................................ 278
Challenge 3 ................................................ 279
Challenge 4 ................................................ 279
Challenge 5 ................................................ 280
9 OTHER ALTERNATIVE FUEL OPTIONS ............................. 281
Compressed Natural Gas ..................................... 282
Alternative Diesel ......................................... 284
Methanol ................................................... 285
Dimethyl Ether ............................................. 285
Hydrogen ................................................... 286
References ................................................. 291
Appendixes
A America's Energy Future Project ............................ 295
B Statement of Task .......................................... 301
С Panel Members' Biographical Sketches ....................... 303
D Presentations to the Panel ................................. 311
E Research Supporting a Landscape Vision of Production of
Biofuel Feedstock .......................................... 313
F Estimating the Amount of Corn Stover That Can Be
Harvested in a Sustainable Manner .......................... 317
G Life-Cycle Inputs for Production of Biomass ................ 321
H Background Information on the Economic and Environmental
Assessment of Biomass Supply ............................... 325
I Modeling of Capital and Operating Costs and Carbon
Emissions of Ethanol Plants with Superpro Designer ......... 399
J Resource Requirements for Production of Microbial
Biomass .................................................... 359
K Nonquantified Uncertainties That Could Influence the Costs
of Carbon Storage .......................................... 367
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