The mood seemed electric after several months of good news in the automotive industry, including word that the auto show signed a five-year deal to stay in the renovated convention center. Attendance Saturday reached 92,106, the highest opening day in five years, and Friday’s annual Charity Preview raised $3 million, with nearly 12,000 tickets sold, organizers said in a news release.Everyone seems to be optimistic, said Kenneth Ward, 49, of Rochester Hills, whose son Charlie Ward, 13, had sat in a Porsche convertible, digging the feel.
