WOODSTOCK, Ga. — Ford Motor Co. plans to appeal a $1.7 billion verdict against the automaker after a pickup truck crash that claimed the lives of a Georgia couple, a company representative said Sunday.Jurors in Gwinnett County, just northeast of Atlanta, returned the verdict late last week in the yearslong civil case involving what the plaintiffs’ lawyers called dangerously defective roofs on Ford pickup trucks, lawyer James Butler Jr. said Sunday.Melvin and Voncile Hill were killed in April 2014 in the …