Question: What is the name of the simulated slot car type dark ride attraction in Cars Land at Disney California Adventure?

 The attraction features a third-generation version of transport technology originally developed for the Test Track attraction at Epcot in Walt Disney World. Radiator Springs Racers is a simulated slot car type dark ride attraction in Cars Land at Disney California Adventure.  Radiator Springs Racers is themed to the fictional world in Disney·Pixar's "Cars".  At a cost of over $200 million, the attraction is the most expensive at Disneyland Resort and one of the most expensive theme park attractions in the world.  It accounted for about 18% of the entire cost of the $1.1 billion expansion of Disney California Adventure Park.  The attraction takes guests in a six-person vehicle through encounters with characters from the film series "Cars".  Guests then race another vehicle through turns and hills, ending with a randomized race result. <SEP> "Cars" Land is a themed area of Disney California Adventure, inspired by the Disney·Pixar franchise, "Cars".  The 12 acre area, built as part of Disney California Adventure Park's $1.1 billion expansion project, opened on June 15, 2012.  The area's main attraction is Radiator Springs Racers, a racing ride that uses the technology of Epcot's Test Track.  It contains three rides as well as shops and restaurants, all situated in a replica of Radiator Springs, the fictional town in which most of the first film's events take place. <SEP> The Red Car Trolley is a tramway and transportation attraction at Disney California Adventure at the Disneyland Resort in Anaheim, California.  Construction began on January 4, 2010 and the attraction opened on June 15, 2012 as part of the re-dedication of the park.  The attraction features replicas of the Pacific Electric Railway's "Red Cars" that once traversed much of Southern California, and provides transportation between the park's main entry at Buena Vista Street and in Hollywood Land.  Built by Brookville Equipment of Brookville, Pennsylvania, these cars are replicas of the Pacific Electric "Hollywood" class cars, built by St. Louis Car in the 1920s.  Brookville is a builder of diesel switcher locomotives and a rebuilder of classic trolley cars.  Unlike the original Pacific Electric trolley cars, which drew their power from an overhead wire, the "Red Car Trolley" cars are battery operated with nonoperative overhead wires presented for authentic show.  The cars operate completely cordless through onboard batteries using inductive charging.  The batteries are periodically charged through non-contact charging using induction coils in the ground where the cars rest at Sunset Boulevard stop. <SEP> The Little Mermaid: Ariel's Undersea Adventure (stylized The Little Mermaid ~ Ariel's Undersea Adventure) is a dark ride attraction based on the 1989 Disney animated film "The Little Mermaid", located in Paradise Pier at Disney California Adventure and in Fantasyland at Walt Disney World's Magic Kingdom, where it is titled Under the Sea: Journey of the Little Mermaid (stylized Under the Sea ~ Journey of the Little Mermaid).  The ride opened on June 3, 2011 at Disney California Adventure, and on December 6, 2012 at Magic Kingdom.