J.D. Power warns that incentive spending on new vehicles has risen rapidly in the past year and is trending toward recession-era levels for the industry as a whole and has already exceeded recession-era levels on cars. The analysis, presented as part of the J.D. Power Automotive Summit, which kicks off the National Automobile Dealers Association Convention & Expo, finds that while overall industry retail sales are expected to grow by 300,000 to 14.5 million units in 2016, the growth is being delivered through actions that pose meaningful risks to the long-term health of the industry.