DAYTONA BEACH, Fla., Sept. 11, 2013 /PRNewswire/ -- International Speedway Corporation ("ISC"), the leading promoter of major motorsports entertainment, had seven of its motorsports facilities honored during the 2013 NASCAR Green Summit with the NASCAR Green track operator award. The award recognizes those motorsports facilities for their ongoing contributions to developing effective and sustainable green policies and practices. (Logo: http://photos.prnewswire.com/prnh/20091005/FL87045LOGO ) Steve O'Donnell, NASCAR Senior Vice President of Racing Operations, presented the NASCAR Green track operator award to ISC representatives from Auto Club Speedway of Southern California, Darlington Raceway, Daytona International Speedway, Kansas Speedway, Michigan International Speedway, Richmond International Raceway and Watkins Glen International. The 2013 NASCAR Green Summit Delivered by UPS, is commemorating five years of innovative changes to the sport's environmental footprint, the event examined the substantive initiatives that have helped make NASCAR the sustainability leader in sports. NASCAR Green recognized ISC's motorsports facilities with the NASCAR Green track operator award for the following: Auto Club Speedway of Southern California NASCAR Green recognized the partnership Auto Club of Speedway of Southern California ("ACS") has with the local rail authority, Metrolink. The partnership received grant funding from the South Coast Air Quality District specifically for major event venues within their district that are not served by regular public transit services and experience high levels of traffic congestion during events. In addition, NASCAR Green highlighted the millions of gallons of sewer and waste water generated by ACS that is diverted to California Steel Industries, which uses the water for the cooling process of steel manufacturing. Darlington Raceway NASCAR Green recognized Darlington Raceway and Clemson University partnership to grow switchgrass on speedway grounds, which will later be used in production of bio-fuels. Daytona International Speedway NASCAR Green recognized Daytona International Speedway ("DIS") for the significant recycling and waste diversion efforts at its major motorsports events. In 2012, DIS, in partnership with Coca-Cola Recycling, recycled over 150 tons of cardboard, commingled mix material, steel and aluminum. Also, DIS participates in the NASCAR Green Clean Air program where 10 trees are planted for each Green Flag that drops during races, capturing 100 percent of the carbon produced by the on track racing at its events.