NAAS meaning in General ?

The North American International Auto Show (NAIAS) is an annual auto show held in Detroit, Michigan, U.S., at TCF Center. The show was held in January from 1989 to 2019. It was intended to move to the summer in 2020, but it has been suspended since due to the COVID-19 pandemic in the United States. It is among the largest auto shows in North America. UPI says the show is "regarded as the foremost venue for [car] manufacturers to unveil new products".

The show begins with press preview days, industry preview days and a charity preview event. The charity preview raises money for local children's charities. In 2004 and 2005, the charity preview attracted 17,500 people at $400 a ticket and raised $7 million in total. 2006 was the sixth consecutive year the charity preview event raised over $6 million. 35,711 tickets were sold for the industry preview representing people from 24 countries in 2005 and 6,897 credentialed press from 63 countries. Over 800,000 attended during the days the show was open to the general public in 2018; it is estimated that the show generates a revenue of over $500 million to the local economy.