Global spending on motorsports sanctioning bodies, teams and tracks is expected to total $5.58 billion in 2016, a 2.8 percent increase from 2015, according to IEG research.Pressured by a decline in spending in Formula 1, the increase lags IEG’s projected 4.7 percent increase in overall global sponsorship spending. Without F1, spending is expected to keep pace with the overall sponsorship industry.Toyota is by far the most active sponsor in NASCAR. The automaker is 13.9 times more likely to...