Global hospitality company MGM Resorts International introduced the luxury sport utility vehicle called Cadillac Escalades during the 2013 National Clean Energy Summit in Las Vegas, Nevada.

The CNG fueled vehicles, converted by World CNG, will run at ARIA Resort & Casino and Bellagio Resort & Casino.

MGM Resorts International chairman & CEO Jim Murren said they were excited to introduce the nation’s first commercial fleet of CNG Cadillac Escalades.

World CNG CEO Garret Alpers said, "Fleet owners and operators have the unique opportunity to significantly reduce their fuel expenditure while reducing harmful emissions. We’re honored to have provided these unique CNG conversions."