Sparkling wine Espumante () is the Portuguese version of a sparkling wine. Unlike Cava, which is produced solely in northern climates, Espumante is not only produced in the northern wet region of Vinho Verde, but also throughout Portugal all the way to the southern region of the Alentejo, known for its extreme temperatures and arid climate. While Spain has one regulating body, DOC Cava, spread across several different political regions, quality Espumante is produced solely in DOC Bairrada, located just south of Vinho Verde. In order for a wine to be certified as a quality Espumante from DOC Bairrada, it must be
American wine have some acreage in vineyard cultivation. By 2004, 668 million gallons (25.3 million hectoliters) of wine were consumed in the United States. Today, the U.S. produces over 800 million gallons of wine a year, of which California produces more than 84%, followed by Washington, New York, Pennsylvania, and Oregon. In the second decade of the 21st century, the US wine industry faces the growing challenges of competition from international exports and managing domestic regulations on interstate sales and shipment of wine. There are nearly 3,000 commercial vineyards in the United States, and at least one winery in each of the