Overall Survey Results:

Hot Fuels, Feedstocks and Processing Technologies

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What are the "hottest" biofuels? Please rank in order.

1 = Least

Answer

Number of
Response(s)

Ranking
Score*

Ethanol

143

4.6

Biodiesel

143

4.8

Biobutanol

143

4.1

Biohydrogen

143

4.0

Furfural

143

3.8

Drop-in, renewable gasoline ("green gasoline")

143

4.9

Drop-in, renewable diesel ("green diesel")

143

4.8

Drop-in, renewable jet fuel

143

4.9

*The Ranking Score is the weighted average calculated by dividing the sum of all weighted rankings by the number of total responses.

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1 = Least

Answer	1	2	3	4	5	6	7	8
Ethanol	31 (21.7%)	16 (11.2%)	5 (3.5%)	15 (10.5%)	18 (12.6%)	9 (6.3%)	13 (9.1%)	36 (25.2%)
Biodiesel	15 (10.5%)	18 (12.6%)	10 (7.0%)	23 (16.1%)	21 (14.7%)	11 (7.7%)	21 (14.7%)	24 (16.8%)
Biobutanol	13 (9.1%)	17 (11.9%)	37 (25.9%)	21 (14.7%)	16 (11.2%)	15 (10.5%)	18 (12.6%)	6 (4.2%)
Biohydrogen	21 (14.7%)	26 (18.2%)	17 (11.9%)	21 (14.7%)	17 (11.9%)	15 (10.5%)	15 (10.5%)	11 (7.7%)
Furfural	38 (26.6%)	24 (16.8%)	15 (10.5%)	12 (8.4%)	11 (7.7%)	12 (8.4%)	12 (8.4%)	19 (13.3%)
Drop-in, renewable gasoline ("green gasoline")	7 (4.9%)	9 (6.3%)	25 (17.5%)	20 (14.0%)	26 (18.2%)	20 (14.0%)	17 (11.9%)	19 (13.3%)
Drop-in, renewable diesel ("green diesel")	6 (4.2%)	22 (15.4%)	17 (11.9%)	17 (11.9%)	17 (11.9%)	26 (18.2%)	22 (15.4%)	16 (11.2%)
Drop-in, renewable jet fuel	12 (8.4%)	11 (7.7%)	17 (11.9%)	14 (9.8%)	17 (11.9%)	35 (24.5%)	25 (17.5%)	12 (8.4%)

Hold the mouse over each color of the bar to see the number of respondents.

Answer

Number of
Response(s)

Ranking
Score*

Ethanol

22%

11%

10%

13%

25%

143

4.6

Biodiesel

10%

13%

16%

15%

17%

143

4.8

Biobutanol

12%

26%

15%

11%

10%

13%

143

4.1

Biohydrogen

15%

18%

12%

15%

12%

10%

143

4.0

Furfural

27%

17%

10%

13%

143

3.8

Drop-in, renewable gasoline ("green gasoline")

17%

14%

18%

14%

12%

13%

143

4.9

Drop-in, renewable diesel ("green diesel")

15%

12%

18%

15%

11%

143

4.8

Drop-in, renewable jet fuel

12%

10%

12%

24%

17%

143

4.9

What are the "hottest" feedstocks. Please rank in order.

1 = Least

Answer

Number of
Response(s)

Ranking
Score*

Corn

143

4.0

Soybeans

143

4.3

Sugarcane, energy cane

143

5.8

Jatropha

143

5.0

Algae

143

6.2

Forest woods (e.g. woodchips, poplar)

143

6.4

Other food-based ethanol feedstocks (e.g. sugar beets, cassava)

143

5.1

Other food-based biodiesel feedstocks (e.g. castor, palm)

143

5.0

Energy grasses (miscanthus, switchgrass)

143

6.3

Waste biomass (e.g. agriculture, animal, municipal or forest residues)

143

6.9

*The Ranking Score is the weighted average calculated by dividing the sum of all weighted rankings by the number of total responses.

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1 = Least

Answer	1	2	3	4	5	6	7	8	9	10
Corn	56 (39.2%)	14 (9.8%)	8 (5.6%)	12 (8.4%)	10 (7.0%)	8 (5.6%)	2 (1.4%)	7 (4.9%)	9 (6.3%)	17 (11.9%)
Soybeans	9 (6.3%)	45 (31.5%)	15 (10.5%)	17 (11.9%)	11 (7.7%)	12 (8.4%)	14 (9.8%)	3 (2.1%)	13 (9.1%)	4 (2.8%)
Sugarcane, energy cane	3 (2.1%)	8 (5.6%)	27 (18.9%)	9 (6.3%)	15 (10.5%)	22 (15.4%)	18 (12.6%)	19 (13.3%)	15 (10.5%)	7 (4.9%)
Jatropha	15 (10.5%)	11 (7.7%)	11 (7.7%)	23 (16.1%)	24 (16.8%)	28 (19.6%)	8 (5.6%)	10 (7.0%)	7 (4.9%)	6 (4.2%)
Algae	30 (21.0%)	6 (4.2%)	4 (2.8%)	8 (5.6%)	7 (4.9%)	11 (7.7%)	15 (10.5%)	5 (3.5%)	9 (6.3%)	48 (33.6%)
Forest woods (e.g. woodchips, poplar)	7 (4.9%)	12 (8.4%)	8 (5.6%)	11 (7.7%)	17 (11.9%)	15 (10.5%)	12 (8.4%)	15 (10.5%)	19 (13.3%)	27 (18.9%)
Other food-based ethanol feedstocks (e.g. sugar beets, cassava)	6 (4.2%)	8 (5.6%)	28 (19.6%)	20 (14.0%)	23 (16.1%)	21 (14.7%)	15 (10.5%)	10 (7.0%)	7 (4.9%)	5 (3.5%)
Other food-based biodiesel feedstocks (e.g. castor, palm)	5 (3.5%)	18 (12.6%)	17 (11.9%)	29 (20.3%)	17 (11.9%)	11 (7.7%)	24 (16.8%)	16 (11.2%)	5 (3.5%)	1 (<1%)
Energy grasses (miscanthus, switchgrass)	3 (2.1%)	8 (5.6%)	17 (11.9%)	13 (9.1%)	10 (7.0%)	7 (4.9%)	24 (16.8%)	37 (25.9%)	19 (13.3%)	5 (3.5%)
Waste biomass (e.g. agriculture, animal, municipal or forest residues)	9 (6.3%)	13 (9.1%)	8 (5.6%)	1 (<1%)	9 (6.3%)	8 (5.6%)	11 (7.7%)	21 (14.7%)	40 (28.0%)	23 (16.1%)

Hold the mouse over each color of the bar to see the number of respondents.

Answer

Number of
Response(s)

Ranking
Score*

Corn

39%

10%

12%

143

4.0

Soybeans

31%

10%

12%

10%

143

4.3

Sugarcane, energy cane

19%

10%

15%

13%

10%

143

5.8

Jatropha

10%

16%

17%

20%

143

5.0

Algae

21%

10%

34%

143

6.2

Forest woods (e.g. woodchips, poplar)

12%

10%

13%

19%

143

6.4

Other food-based ethanol feedstocks (e.g. sugar beets, cassava)

20%

14%

16%

15%

10%

143

5.1

Other food-based biodiesel feedstocks (e.g. castor, palm)

13%

12%

20%

12%

17%

11%

143

5.0

Energy grasses (miscanthus, switchgrass)

12%

17%

26%

13%

143

6.3

Waste biomass (e.g. agriculture, animal, municipal or forest residues)

15%

28%

16%

143

6.9

What are the "hottest" processing technologies?

1 = Least

Answer

Number of
Response(s)

Ranking
Score*

Ethanol fermentation

143

4.0

Biodiesel transesterification

143

4.2

Cellulosic ethanol - acid or enzymatic hydrolysis

143

4.8

Hydrotreating - bio-based oils to renewable diesel, gas or jet fuel

143

4.7

Fisher-Tropsch process - biomass->syngas->fuel

143

4.3

Gasification (other than F-T) - drop-in fuels, ethanol from biomass

143

4.6

Pyrolysis - biocrude, biooil, biochar

143

4.6

Anaerobic digestion - methane from biomass

143

4.8

*The Ranking Score is the weighted average calculated by dividing the sum of all weighted rankings by the number of total responses.

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1 = Least

Answer	1	2	3	4	5	6	7	8
Ethanol fermentation	39 (27.3%)	21 (14.7%)	13 (9.1%)	10 (7.0%)	4 (2.8%)	12 (8.4%)	28 (19.6%)	16 (11.2%)
Biodiesel transesterification	20 (14.0%)	29 (20.3%)	16 (11.2%)	15 (10.5%)	16 (11.2%)	12 (8.4%)	17 (11.9%)	18 (12.6%)
Cellulosic ethanol - acid or enzymatic hydrolysis	15 (10.5%)	18 (12.6%)	19 (13.3%)	15 (10.5%)	13 (9.1%)	19 (13.3%)	14 (9.8%)	30 (21.0%)
Hydrotreating - bio-based oils to renewable diesel, gas or jet fuel	15 (10.5%)	12 (8.4%)	15 (10.5%)	26 (18.2%)	24 (16.8%)	11 (7.7%)	19 (13.3%)	21 (14.7%)
Fisher-Tropsch process - biomass->syngas->fuel	18 (12.6%)	13 (9.1%)	22 (15.4%)	24 (16.8%)	25 (17.5%)	16 (11.2%)	11 (7.7%)	14 (9.8%)
Gasification (other than F-T) - drop-in fuels, ethanol from biomass	9 (6.3%)	22 (15.4%)	18 (12.6%)	12 (8.4%)	26 (18.2%)	30 (21.0%)	17 (11.9%)	9 (6.3%)
Pyrolysis - biocrude, biooil, biochar	12 (8.4%)	18 (12.6%)	22 (15.4%)	20 (14.0%)	14 (9.8%)	22 (15.4%)	20 (14.0%)	15 (10.5%)
Anaerobic digestion - methane from biomass	15 (10.5%)	10 (7.0%)	18 (12.6%)	21 (14.7%)	21 (14.7%)	21 (14.7%)	17 (11.9%)	20 (14.0%)

Hold the mouse over each color of the bar to see the number of respondents.

Answer

Number of
Response(s)

Ranking
Score*

Ethanol fermentation

27%

15%

20%

11%

143

4.0

Biodiesel transesterification

14%

20%

11%

10%

11%

12%

13%

143

4.2

Cellulosic ethanol - acid or enzymatic hydrolysis

10%

13%

10%

13%

10%

21%

143

4.8

Hydrotreating - bio-based oils to renewable diesel, gas or jet fuel

10%

18%

17%

13%

15%

143

4.7

Fisher-Tropsch process - biomass->syngas->fuel

13%

15%

17%

11%

10%

143

4.3

Gasification (other than F-T) - drop-in fuels, ethanol from biomass

15%

13%

18%

21%

12%

143

4.6

Pyrolysis - biocrude, biooil, biochar

13%

15%

14%

10%

15%

14%

10%

143

4.6

Anaerobic digestion - methane from biomass

10%

13%

15%

12%

14%

143

4.8

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