Nissan Motor employees check car after collision test at new research facility in Yokosuka, southwest of Tokyo. Nissan Motor Co employees check a compact car, Tiida, after a car-to-car collision test performed at its new research facility in Yokosuka, southwest of Tokyo August 31, 2005. Japan's second-biggest auto maker unveiled the new 40,000 square-metre laboratory on Wednesday as part of its aim to develop safer vehicles and reduce fatalities and injuries for its users. REUTERS/Yuriko Nakao