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  2. World Forum for Harmonization of Vehicle Regulations

    en.wikipedia.org/wiki/World_Forum_for...

    As of 2015, there are 135 UN Regulations appended to the 1958 Agreement; most regulations cover a single vehicle component or technology. A partial list of current regulations applying to passenger cars follows (different regulations may apply to heavy vehicles, motorcycles, etc.) Recently, a new regulation, regulation 0 was introduced.

  3. Vehicle regulation - Wikipedia

    en.wikipedia.org/wiki/Vehicle_regulation

    There was a new international agreement in 1998 whose objectives were to improve global safety, decrease environmental pollution and consumption of energy and improve anti‐theft performance of vehicles and related components and equipment through establishing global technical regulations (GTRs) in a Global Registry based on UNECE Regulations ...

  4. Motor vehicle type approval - Wikipedia

    en.wikipedia.org/wiki/Motor_vehicle_type_approval

    United Nations Economic Commission for Europe (UNECE) regulations. National Small Series Type Approval (NSSTA) – the key advantages of this scheme are that some technical requirements may be reduced in comparison with ECWVTA; however, the number of vehicles that can be manufactured is limited. Individual Vehicle Approval (IVA).

  5. UNECE Regulations - Wikipedia

    en.wikipedia.org/?title=UNECE_Regulations&...

    This page was last edited on 30 November 2005, at 16:31 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. Speedometer - Wikipedia

    en.wikipedia.org/wiki/Speedometer

    At an actual speed of 100 km/h (60 mph), the speedometer will indicate 100 x 1.067 = 106.7 km/h (60 * 1.067 = 64.02 mph), approximately. In the case of wear, a new "185/70R14" tire of 620 mm (24.4 inch) diameter will have ≈8 mm tread depth, at legal limit this reduces to 1.6 mm, the difference being 12.8 mm in diameter or 0.5 inches which is ...

  7. Event data recorder - Wikipedia

    en.wikipedia.org/wiki/Event_data_recorder

    In the US 49/563.5 regulatory framework, Event data recorder is defined as a . a device or function in a vehicle that records the vehicle's dynamic time-series data during the time period just prior to a crash event (e.g., vehicle speed vs. time) or during a crash event (e.g., delta-V vs. time), intended for retrieval after the crash event.

  8. Worldwide Harmonised Light Vehicles Test Procedure - Wikipedia

    en.wikipedia.org/wiki/Worldwide_Harmonised_Light...

    The WLTP was adopted by the Inland Transport Committee of the United Nations Economic Commission for Europe (UNECE) as Addenda No. 15 to the Global Registry (Global Technical Regulations) defined by the 1998 Agreement. [2] The standard is accepted by China, Japan, the United States and the European Union, among others. [3]

  9. Driving cycle - Wikipedia

    en.wikipedia.org/wiki/Driving_cycle

    This testing, the EPA Federal Test Procedure, commonly known as FTP-75 for the city driving cycle, is a series of tests defined by the US Environmental Protection Agency (EPA) to measure tailpipe emissions and fuel economy of passenger cars (excluding light trucks and heavy-duty vehicles).