JR East launches battery electric trains for Oga Line, Japan November 24, 2015 | Asia Pacific Company News The East Japan Railway Company (JR East) has commenced testing to launch AC battery electric multiple units (BEMUs) of model EV-E801 on the 26.6-km Oga Line in northern Akita region of Japan from the ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password