Suzuki says it used wrong mileage tests for Japan models; shares slide

By Minami Funakoshi TOKYO (Reuters) - Suzuki Motor Corp said it had used improper fuel economy tests for its cars in Japan, in a widening of a scandal that has engulfed Mitsubishi Motors , but it asserted that proper testing had shown the data did not need to be amended. The news follows Mitsubishi's admission of fuel economy manipulation last month, after which Japan's transport ministry asked domestic automakers to re-submit fuel economy readings on all their vehicles by Wednesday. Japan's fou