Portland Business Journal: Thirty Oregon wineries made a splash a year ago by committing to a state-sponsored effort to become carbon neutral, pledging to implement carbon-reduction programs within 18 months. The effort has proved challenging for some vineyards in the first year, however. The environmental impact is also questionable, although industry experts point to clear marketing benefits. ‘Our facility was built in 1984 with no modern bells or whistles,’ said Pat Dudley, president of the Salem-area …