“Portland’s public mass transit agency TriMet started transitioning to a clean energy bus fleet last week with the introduction of its first all-electric bus. The new bus will soon be joined by four more electric buses, and all will be powered solely by wind energy.

TriMet and Portland General Electric (PGE) made the announcement last week, saying the wind-powered buses are “believed to be a transit industry first in the United States.” The first all-electric bus officially launched on Friday.

TriMet is using the 40-foot…”