For further demonstrating its leadership in environmental sustainability, MGM Grand Detroit has completed the LED lamp retrofit of its 61-acre parking garage. Cited as one of the nation’s largest LED parking garage makeovers, the three-month installation boasts 3,117 LED lamps and will reduce the garage’s annual energy use by 80% at the Four Diamond destination resort. “As a property fully committed to the fundamental principles of environmental stewardship, we are proud to complete the LED lamp installation and further minimize MGM Grand Detro...