Table 3 Ranking of substrates
From: Towards marketing biomethane in France—French consumers’ perception of biomethane
Position | Biodegradable household waste | Agricultural residues | Intermediary crops | Energy crops |
|---|---|---|---|---|
1 | 8 | 11 | 0 | 1 |
2 | 9 | 6 | 2 | 1 |
3 | 0 | 2 | 13 | 3 |
4 | 2 | 0 | 4 | 14 |