ELR Citation: 42 ELR 20122
No(s). 11-08608 (C.D. Cal. May 29, 2012) (Otero, J.)

A district court dismissed environmental groups' complaint against two railroad companies alleging that diesel particulate matter (DPM) emitted by diesel-engine locomotives, trucks, and other equipment has caused and is causing an imminent and substantial risk to human health and the environment...