(OregonLive) - The wine-grape factory that is the Eola Hills is buzzing with word that a major California wine producer is buying vineyards in the area with an eye toward significant future investments. If it's true, the infusion of cash and acclaim could represent the biggest bump for Oregon's $2.7 billion commercial wine industry since Robert Drouhin startled the wine world a quarter century ago by being the first French investor in the state's viticultural future.