WASHINGTON–(BUSINESS WIRE)–Amtrak is welcoming customers aboard its all-new Airo trainsets today as a new era of passenger rail arrives in the Pacific Northwest. Beginning today, two cutting-edge Airo trainsets will join the Amtrak Cascades route, operating four daily trips between Vancouver, B.C., Seattle, Portland, and Eugene and marking the first introduction of Airo trains into passenger service anywhere in the country. As additional Airo trainsets enter service, they will continue to exp