Question: Which California-based vehicle valuation and automotive research company is part of an Atlanta based business unit which includes Xtime and Autotrader.com?

Context paragraphs:
AutoTrader.co.za: According to SimilarWeb, autotrader.co.za is South Africa's largest website in their "Autos and Vehicles" category.  Autotrader.co.za is an online automotive classifieds advertising website, which is part of Auto Trader South Africa.  The company publishes an automotive classifieds magazine Auto Trader as well.  Auto Trader South Africa was previously a subsidiary of the Auto Trader Group.  In 2013, the Auto Trader Group sold their South African business, Auto Trader South Africa, which then became a wholly South African-owned business.  The autotrader.co.za website is South Africa’s largest automotive marketplace website for buyers and sellers of both new and used cars and other types of vehicles.

Kelley Blue Book: Kelley Blue Book is an Irvine, California-based vehicle valuation and automotive research company that is recognized by both consumers and the automotive industry.  The company is part of Cox Automotive, a unit of Atlanta, GA-based Cox Enterprises.

Cox Automotive: Cox Automotive is an Atlanta-based business unit of Cox Enterprises, formed in 2014 to consolidate all of Cox's global automotive businesses, including Kelley Blue Book, Xtime, Autotrader.com and Manheim.

MillenWorks Light Utility Vehicle: The MillenWorks Light Utility Vehicle (LUV) is a prototype testbed for automotive technologies.  It was designed and built by MillenWorks under contract to the Tank Automotive Research, Development and Engineering Center.  Textron Marine and Land Systems will use the platform for further development of component technologies.  The vehicle was a possible Joint Light Tactical Vehicle candidate, but was not selected.

Lockheed Martin Global Training and Logistics: Lockheed Martin Global Training and Logistics (GTL) (formerly two separate entities combined into one business unit ('Simulation, Training & Support' & ISGS-Readiness and Stability Operations') is a Lockheed Martin business unit headquartered in Orlando, FL.  The company's simulation business is focused on supplying training for military and commercial platforms, as well as staff training.  The Company's training and logistics division provides US Military and Foreign military training and logistics throughout the World.  GTL employees span the globe working at military, Lockheed, and other defense sites.  The company is a provider of modeling, simulation, and mission rehearsal tools for military and civilian applications.  Military logistics support and test equipment is also a large portion of their business, including machinery controls, logistics management systems, and automated test solutions for air, land and sea.

Windows Embedded Automotive: Windows Embedded Automotive, formerly Microsoft Auto, Windows CE for Automotive, Windows Automotive, and Windows Mobile for Automotive, is an operating system subfamily of Windows Embedded based on Windows CE for use on computer systems in automobiles.  The operating system is developed by Microsoft through the Microsoft Automotive Business Unit that formed in August 1995.  The first automotive product built by Microsoft's Automotive Business Unit debuted on December 4, 1998 as the AutoPC, and also includes Ford Sync, Kia Uvo, and Blue&Me.  Microsoft's Automotive Business Unit has built both the software platforms used for automotive devices as well as the devices themselves.  The current focus is on the software platforms and includes two products, Microsoft Auto and Windows Automotive.

Intercity STC: Intercity STC, formerly known as STC (State Transport Corporation) and Vanef STC, is a Ghanaian joint state and privately owned transport company which operates, transport services, courier services, driver training as well as vehicle valuation, maintenance and testing.

CarsDirect: CarsDirect is an American online automotive research portal and car buying service based in El Segundo, California that allows consumers to research, price, purchase, insure and finance a vehicle online.  The company also provides lead generation and referral services to auto dealers.

GARC - Chennai: Global Automotive Research Center (GARC) is a unit under National Automotive Testing and R&D Infrastructure Project (NATRiP) housing the facilities for comprehensive testing services.  GARC provides certification testing and R&D support to the automotive vehicle and component manufacturers in India.  The GARC which is under construction is spread over 304 acres with combined office space and test labs at the SIPCOT Industrial Growth Centre near Chennai at Oragadam.  The center will have certification test facilities to conduct the performance testing of full range of automobile.  The center will also have the center of excellence for Passive Safety, EMC and Automotive Infotronics.

Trusonic: Mood Media North America (formerly consisting of Muzak, LLC, DMX and Trusonic) is a commercial music company and a wholly owned subsidiary of Mood Media Corporation.  Founded in 1999 as a small business unit (SBU) of the now defunct MP3.com, Trusonic provided background music to businesses.  During the shutdown of MP3.com, Trusonic Inc, a new corporation co-founded by Joe Tebo and Dan O'Neill (the former VP of Engineering at MP3.com) purchased the assets (technology/IP/etc) of the Trusonic business unit including the rights to the majority of the MP3.com independent artist catalog.  In October 2007 Trusonic Inc was acquired by Fluid Media Networks.  Fluid Media Networks acquired Mood Media in 2010 and Trusonic Inc changed its name to Mood Media North America in 2011.  The Trusonic brand remains as the name of the primary Technology Trusonic Media Player in use today.

Supporting paragraphs: Cox Automotive Kelley Blue Book
Answer: Kelley Blue Book