Mexico is facing a challenge with over half a billion liters of tequila due to decreased demand and potential US export tariffs. The industry, which relies heavily on the US market, has seen a decline in consumption and sales, with the Covid-19 pandemic and rising prices contributing to the shift. The Tequila Regulatory Council is working to improve the quality of the aging tequila, as it is more susceptible to evaporation due to Mexico's warm climate. Meanwhile, the industry is also contending with an oversupply of agave, leading to a significant drop in its price.