Vehicle Litigation and Expert Witness Articles

Out-of-service criteria (OOSC) for Commercial Trucks in 2025

Every year, the Commercial Vehicle Safety Alliance reviews and updates the North American Standard Out-of-Service Criteria.
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How Are Emissions Regulated in a Commercial Truck?

The U.S. Environmental Protection Agency (EPA) sets emission standards for commercial trucks. It also enforces these rules nationwide.
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What Is the Magnuson-Moss Warranty Act?

The Magnuson-Moss Warranty Act became federal law in 1975. It protects consumers by making warranty terms clear and fair.
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What Is a Hydraulic Brake System?

A hydraulic brake system transfers pedal force to the wheels through pressurized fluid in a sealed system.
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What Does Original Equipment Manufacturer (OEM) Mean for Cars?

Have you ever been told you need “OEM parts” for a repair and wondered what that means? It comes up often in auto shops and parts stores.
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What is a Driver Vehicle Inspection Report (DVIR)?

A driver vehicle inspection report (DVIR) is a formal record that certifies a driver has inspected their commercial motor vehicle (CMV).
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Torque Converters Explained: Operation, Failure Signs, and Inspection Relevance

Automatic vehicles use a torque converter to link the engine and transmission. It sits between the engine’s flexplate and the transmission input shaft.
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Assessing Diminished Value: A Guide to Post‑Accident Vehicle Appraisals

An accident and repair can lower a vehicle’s market value. Even high-quality repairs often fail to restore its full worth. Appraisers call this loss in resale or trade-in value diminished value. Attorneys who handle vehicle claims need to understand diminished value because it affects how they assess and present damages.
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Hydraulic Systems in Commercial Fleet Vehicles

Hydraulic systems in commercial fleet vehicles convert fluid pressure into mechanical energy. These systems operate parts like brakes, lift mechanisms, and steering assist. Their reliability is crucial to vehicle performance and safety compliance.
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What Are Cylinder Head Services in a Commercial Vehicle?

The cylinder head connects the engine's airflow parts to the combustion chambers. It has flat areas for the valves to sit on. It also includes openings for spark plugs, glow plugs, and the head gasket.
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