Enable Holdings has added a new Automotive category to its online auction platform uBid.com. The category is powered by Zag.com, an automotive configuration and pricing engine that offers affinity groups upfront pricing. The news comes on the heels of GM's announcement after emerging from bankruptcy that it would be partnering with eBay.

Meanhwile, Kelley Blue Book, a leading provider of new car and used car information, has launched The Trusted Marketplace, a new online car-shopping experience utilizing Vast, a search and advertising platform.