About Engineered Inhouse The Guardian ELOG has been designed as a mobile technology platform that provides a comprehensive solution for your electronic driving logging needs. It has been engineered to be fully compliant with government certification requirements. contact our team History 1999 DTTR 15 bay repair shop 2004 Guardian EPASS Emergency Positive Air Shutdown System 2010 Guardian ECM Interface Interprets engine Data Protocol 2018 Guardian Clockr Project Management Time Record 2020 Guardian Turbo Timer Allows turbo to cool down 2021 Guardian ELOG Electronic Logging Device Hours of Service logbook 2021 Guardian ECU Simulator Truck in a Box 2022 Guardian Hydrogen Diesel System Onboard Hydrogen supply