Spokesman Brian Akre said Minano, 55, gave no reason for his decision to quit after 30 years with GM. Minano will be replaced by Elizabeth Lowery, who will take over responsibilities for GM global energy and environmental policies.
Minano, who holds a law degree from the University of Detroit Law School, joined GM in 1971, working in marketing, product liability and energy, and environmental law. He became manager of GM's environmental and energy legal group in 1990 and was named GM vice president of environment and energy in 1992.
Under Minano's tenure, GM:
Minano, GM said, will work on several GM environmental projects until he retires. Lowery, 45, assumes her new job Monday, Oct. 15.