From Sports Business Journal which is subscription based, but the heading of a current article, sure to please many,

,that Speed is expanding their NASCAR coverage, must be a sufficient number of sponsors to pay for the programs and TV time:
" Speed adding a full field of new NASCAR shows "
By MICHAEL SMITH
Staff writer
Published January 18, 2010 : Page 04
" Speed is pumping even more horsepower into its NASCAR lineup in 2010. While the network already has a deep stable of NASCAR programming, from practice and qualifying to news and analysis, Speed is planning to add six to eight new shows this year. Yet another show that’s still in the …"