This document provides an overview of electronic logging devices (ELDs) and the ELD mandate. It discusses recent court rulings upholding the mandate. It then covers what is required by the mandate, how ELDs impact insurance, expectations for ELD providers and solutions. It contrasts open vs closed system architectures and provides a technical overview of ELD configuration. It discusses popular ELD providers, factors to consider in selection and anticipated costs. In summary, the document is a guide for trucking companies to develop an ELD strategy and implementation plan in preparation for the December 2017 deadline.