Nielsen’s latest automotive industry overview tracked the online conversations, and the steadily declining price, of diesel over the last 12 months. Though diesel has been a hot topic within alternative fuel buzz at times, a downward trend in discussion over the past year speaks to a decline in consumer interest.
Findings & Analysis:

Total diesel buzz decreased 28% from June ‘08 to June ‘09, while diesel fuel fell by $2.15 per gallon or 45%
Domestic trucks and German cars are most prominently mentioned within diesel buzz
Mercedes-Benz and BMW are gaining share of diesel …

According to data from Nielsen IAG, an Apple iPod product placement in the CW television show “Supernatural” was the most recalled placement in a scripted series during the four weeks between September 15 and October 12, 2008.
Recall refers to the percentage of television viewers who can recall, within 24 hours, the brand/product featured in an in-program placement.