Environment News Service: Construction on the nation’s first solar demonstration project in a highway right of way has begun. At the Interstate 5 and Interstate 205 interchange in Tualatin, Oregon, 594 solar panels are being installed on a strip of land beside the highway roughly the length of two football fields. Governor Ted Kulongoski, with transportation and utilities officials, broke ground on Thursday on the all-Oregon project. “Before the year is over, this ground will hold the nation’s first …