A Yakima Valley winery is seeing a big boost in sales before New Year's Eve. Treveri Cellars is the Valley's only sparkling winery. They tell our news partner KIMA Action News this time of year the busiest. The winery released two new sparkling wines this holiday season. Treveri's owner says more people are choosing sparkling wine even when they're not celebrating a special occasion. Treveri Winery is located off I-82 south of Union Gap and Treveri has a tasting room in Yakima on 3rd Avenue.