 7.40, Money News at 10 and 40. As many of us prepare to fire up the grill for Independence Day, sales are actually slowing in the barbecue industry. Manufacturers are seeing significant declines after a recent peak. That includes Traeger, which recently reported sales numbers down more than 50% since 2021. The last few years had seen a boost for grill makers, as 80% of U.S. homeowners said they owned a griller smoker last year, a big jump from 64% in 2019.