Jumpstart Automotive Media will, via a deal with behavioral targeting firm Revenue Science, sell ad inventory on sites not in its network, potentially increasing the amount of inventory available to reach in-market car buyers, writes ClickZ. According to Jumpstart CEO Mitch Lowe, the deal could double the impressions from the current 120 million a month (and 4.6 million unique visitors) on its sites, which include Vehix.com and NADAguides.com.

So far, however, Jumpstart has named only Advertising.com as a source of ad space, but Revenue Science is reportedly helping it build relationships with publishers that have already implemented its technology.

Car manufacturers have bought up all the contextually relevant ad inventory from sites such as Edmunds.com and those in Jumpstart's network, ClickZ notes, and online media companies have reported pressure from auto makers to increase the use of behavioral technology to reach in-market car buyers on non-automotive web pages.