Automotive Industry Knowledge Hub

Specialized Articles and Guides on Automotive Standards, Testing, Technical Requirements, and Engineering

What Is the Difference Between Mandatory and Voluntary Standards?

When we see the term “national standard” on a product or in technical documentation, it may create the impression that compliance with all national standards is legally mandatory. On the other hand, t...

International Regulations Vehicle Standards

2026/08/24

What Are the 122 Vehicle Standards? New Vehicle Standard Requirements in Iran

Years ago, whenever the subject of automotive standard requirements in Iran came up, we would hear the term “85 Vehicle Standards.” This title became so well known throughout the industry and even amo...

International Regulations Product Development Vehicle Standards

2026/08/20

What Are the 85 Vehicle Standards? A Guide to Mandatory Vehicle Requirements and Standards

The term “The 85 Vehicle Standards” is one of the best-known terms in Iran’s automotive industry and market. For years, this title has been used in news reports concerning vehicle production, imports,...

International Regulations Vehicle Safety Vehicle Standards

2026/08/19

What Is ECE R29? Truck Cab Strength Testing and Occupant Protection in Commercial Vehicles

A truck cab is not merely the space occupied by the driver and passenger; in a severe collision, it is part of the vehicle’s protective structure and must preserve the space required for the occupants...

Vehicle Safety Vehicle Standards Vehicle Testing

2026/08/16

A Guide to International Vehicle Regulations, UN Regulation Numbers, and Their Relationship with Iranian National Standards

When dealing with automotive standards and testing, you will quickly encounter terms such as ECE R17, UN R14, UN R16, or UN R100 . These numbers frequently appear in national standards, technical docu...

International Regulations Vehicle Standards

2026/08/08

What Should Be Checked Before Sending a Vehicle or Component to the Laboratory?

Reaching the testing stage for a vehicle or component is usually the result of weeks or months of design, prototype development, and coordination among different teams within a project. However, a pro...

International Regulations Product Development Test Preparation Vehicle Standards Vehicle Testing

2026/08/01

What Are Validation and Verification? The Difference Between Validation and Verification in the Automotive Industry

In an engineering project, a product may be manufactured exactly according to drawings, technical specifications, and design requirements, yet still fail to meet what the customer or project actually ...

Product Development Validation & Verification Vehicle Testing

2026/07/25

What Is ISO/IEC 17025? What Does Testing Laboratory Accreditation Mean?

When a vehicle or component is sent to a laboratory for testing, the main focus is usually on the test result: Did the product pass or fail? What was the measured value? Did it meet the standard requi...

Laboratory Accreditation Measurement & Calibration Vehicle Testing

2026/07/18

What Are Active and Passive Vehicle Safety? The Difference Between Active Safety and Passive Safety

When we talk about vehicle safety, a wide range of systems and features usually come to mind, from ABS and Electronic Stability Control (ESC) to seat belts, airbags, and the vehicle body structure. Al...

Emerging Vehicle Technologies Vehicle Safety Vehicle Testing

2026/07/11

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The TAT Automotive Industry Knowledge Base is a collection of specialized articles on standards, vehicle testing, technical requirements, and engineering concepts in the automotive industry, developed to provide practical and reliable information for industry professionals.

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