A Biden administration official says Oregon’s mass-timber project, and 20 others around the nation, will go beyond current economic needs to stimulate the nation’s emerging industries and develop a future workforce. Alejandra Castillo, assistant secretary of commerce for economic development, spoke to participants in the Oregon Mass Timber Coalition and toured the site proposed by the Port of Portland for a production center. Mass timber is composed of layers of wood held together by glue or other means and is pressed together to form a strong building material. Its advocates say mass timber — a version of cross-laminated timber — holds the potential for regenerating jobs in forests and manufacturing. They also say it is cheaper and less likely to add to heat-trapping greenhouse gases than other building materials, such as concrete and steel. …Among the attendees were Oregon Sens. Ron Wyden and Jeff Merkley.