Senior Editor Cody Grivno reviews the Atlas Classic HO scale Electro-Motive Division (EMD) GP7 diesel locomotive. You’ll first learn about the prototype GP7, which was produced from 1949 to 1954, and ...

Caterpillar Inc. on Aug. 31 marked the 100th anniversary of EMD®. Founded as Electro-Motive Engineering Corporation, EMD is now a product brand of Progress Rail, a Caterpillar company. (Courtesy of ...