Iver Lofving sits in his electric car stowed in his shed at his home in Skowhegan on Thursday. Lofving, an art teacher at Skowhegan Area High School, is the subject of a new documentary film, “Peak Oil: A Love Story.”

Iver Lofving, center, and Nelson Cole, back left, outside Lofving’s Mount Pleasant Avenue residence in Skowhegan on Thursday. Lofving, an art teacher at Skowhegan Area High School, is the subject of Cole’s new documentary film, “Peak Oil: A Love Story.”

Iver Lofving inspects his hot water heater in the basement that is powered by solar panels on the roof at his home in Skowhegan on Thursday. Lofving, an art teacher at Skowhegan Area High School, is the subject of a new documentary film, “Peak Oil: A Love Story.”

Iver Lofving, center, and Nelson Cole, back right, sit in Lofving’s kitchen at his residence in Skowhegan on Thursday. Lofving, an art teacher at Skowhegan Area High School, is the subject of Cole’s new documentary film, “Peak Oil: A Love Story.”