Sparkling wine made in the traditional champagne (indicating the year of harvest) and stamped with the VEQPRD (Vinho Espumante de Qualidade Produzido em Região Determinada) certification. VFQPRD is a regional sparkling wine made in the traditional champagne, charmat or transfer method in one of the following determined regions: Douro, Ribatejo, Minho, Alentejo or Estremadura. VQPRD is a sparkling wine that can be made by injecting the wine with gas in the traditional champagne, charmat, transfer method anywhere in Portugal. Espumoso is the cheapest and lowest level of sparkling wine, made by injecting the wine with CO2. Top-quality Espumantes can be found in
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