BY TORU HATANAKA CORRESPONDENT
Takashi Yamanouchi, the president of Mazda Motor Corp., with the Mazda6 in Los Angeles on Nov. 29 (Toru Hatanaka)
LOS ANGELES -- A fuel-efficient, low-emission diesel version of the Mazda6 -- known as the Atenza in Japan -- will be released in the United States in the latter half of 2013, Mazda Motor Corp.'s president said.