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The widespread use of OBD connectors for diagnostics has led to a new class of devices: permanently or semi-permanently installed diagnostic communication devices, often called dongles. These devices, while enabling valuable services like usage-based insurance, fleet management, and remote diagnostics,…

In today’s multi-disciplinary engineering environment, the need for clear and consistent documentation of dynamical models for ground vehicle systems is more critical than ever. SAE J2998-2020 provides a recommended practice to standardize model description documentation (MDD), enabling efficient model sharing,…

Engine oil viscosity classification is critical for engine performance across temperature ranges. SAE J300-2024, the latest revision, defines rheological limits for engine oils, helping manufacturers and marketers ensure proper lubrication. This article explains key changes, viscosity grades, and practical insights.…

SAE J3000 was a widely used classification system for thermoplastic elastomers (TPEs) in automotive applications. It provided a simple method to designate materials based on their heat aging resistance (type) and oil immersion resistance (class). Although this standard was cancelled…

With the rapid proliferation of hybrid and electric vehicles (xEVs), ensuring the safety of emergency responders has never been more critical. The SAE J2990/2-2020 standard provides an authoritative overview of the onboard safety systems designed to mitigate risks from high-voltage…

This SAE Recommended Practice provides a standardized method for measuring permeation losses from small diameter fuel hoses, typically 4.75 mm inside diameter or less, used in small off-road engines (SORE) under 19 kW. The procedure is designed to address specific challenges encountered…

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Accurate emissions testing for volatile organic compounds (VOCs), fogging, and odor is essential for controlling automotive interior air quality. However, the reliability of these tests hinges on the proper handling and packaging of material samples. The revised SAE J2989-2024 recommended…

SAE J2990-2019 provides essential guidance for first and second responders who may encounter hybrid or electric vehicles (xEVs) at incident scenes. This recommended practice addresses the unique hazards of high-voltage powertrains, battery systems, and emerging technologies like super capacitors and…

With the growth of Li-battery applications in motive and stationary power, the separator’s role in safety and performance is paramount. SAE J2983 (revised 2019) provides a set of test methods and practices for characterizing the properties of Li-battery separators. Using…