Table 1.
An overview of the number of LCA studies by biofuel type, feedstock, location and land-use change.
| location |
land-use change |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| fuel type/feedstock | Europe | North America | South America | Asia | Africa | Australia | without | with | totala |
| bioethanol—1st gen. | |||||||||
| corn | 6 | 23 | 0 | 1 | 0 | 0 | 16 | 14 | 30 |
| molasses | 4 | 12 | 0 | 25 | 3 | 4 | 30 | 18 | 48 |
| sugar beet | 19 | 1 | 0 | 0 | 1 | 0 | 14 | 7 | 21 |
| sugarcane | 0 | 4 | 32 | 1 | 1 | 0 | 28 | 10 | 38 |
| wheat | 39 | 0 | 0 | 0 | 0 | 0 | 28 | 11 | 39 |
| bioethanol—2nd gen. | |||||||||
| bagasse | 1 | 1 | 3 | 1 | 0 | 0 | 6 | 0 | 6 |
| forest residue | 16 | 7 | 0 | 0 | 0 | 0 | 23 | 0 | 23 |
| Miscanthus | 14 | 9 | 0 | 0 | 0 | 0 | 16 | 7 | 23 |
| short rotation coppice | 29 | 2 | 0 | 0 | 0 | 0 | 17 | 14 | 31 |
| stover | 12 | 18 | 0 | 0 | 0 | 0 | 27 | 3 | 30 |
| straw/husk | 27 | 1 | 0 | 9 | 0 | 0 | 32 | 5 | 37 |
| switchgrass | 2 | 17 | 1 | 0 | 0 | 0 | 18 | 2 | 20 |
| biodiesel—1st gen. | |||||||||
| palm oil | 0 | 0 | 3 | 56 | 0 | 0 | 32 | 27 | 59 |
| rapeseed | 19 | 13 | 2 | 0 | 4 | 0 | 24 | 14 | 38 |
| soya bean | 3 | 10 | 18 | 5 | 3 | 0 | 29 | 10 | 39 |
| sunflower | 1 | 0 | 2 | 0 | 5 | 0 | 5 | 3 | 8 |
| biodiesel—2nd gen. | |||||||||
| Camelina | 1 | 13 | 0 | 0 | 0 | 0 | 14 | 0 | 14 |
| Jatropha | 0 | 0 | 7 | 8 | 7 | 0 | 18 | 4 | 22 |
| used cooking oil/tallow | 17 | 1 | 3 | 5 | 1 | 0 | 27 | 0 | 27 |
| biodiesel—3rd gen. | |||||||||
| algae | 13 | 28 | 4 | 13 | 0 | 2 | 60 | 0 | 60 |
| total | 223 | 160 | 75 | 124 | 25 | 6 | 464 | 149 | 613 |
aThe total number of studies or analyses, rather than the number of papers published, as some papers included several studies or analyses.