Keith Millhouse, vice-chairman of the board of Metrolink speaks during a roll-out ceremony of Metrolink's cleanest locomotive, background, in LA. The locomotives, which cost nearly $2 million each, use computer technology and electronic fuel injection to reduce emissions and a shut-down feature to reduce idling. (AP Photo/Nick Ut) Just in time for Earth Day, Metrolink officials announced the arrival of a new kind of train yesterday -- one that's cleaner for the environment and......

One day after LAist reports problems on Metrolink's Lancaster line serving mostly north Los Angeles County, the LA Times writes on new service in Orange County:By 2009, the goal is to have commuter trains running every 30 minutes from 5 a.m. to midnight on weekdays, between Fullerton and Laguna Niguel -- the bookends of Orange County. Seven locomotives and 59 more passenger cars have been ordered, a new station in Buena Park opens Tuesday,......