A unit of Caterpillar admitted that it cheated customers by performing unnecessary repairs to their railcars and agreed to plead guilty to dumping brake shoes and other parts into the ocean to hide evidence, according to court documents. https://www.wsj.com/articles/caterpillar-railcar-unit-to-plead-guilty-and-pay-5-million-fine-for-dumping-parts-1512681531 Holy moly.