| Question | Tequila | Mezcal |
|---|---|---|
| Agave | Blue Weber only | Many species; espadín is the most common |
| Where | Jalisco and designated parts of four other states | Mainly Oaxaca, plus several other designated states |
| Cooking | Brick oven or autoclave, sometimes diffusers | Often an earthen pit; ovens and autoclaves allowed for the basic category |
| Label purity | "100% agave", or a mixto with at least 51% agave sugar | Made from agave; artisanal and ancestral styles have stricter methods |