Search Legislation

Advanced Search

Council Directive of 2 August 1972 on the approximation of the laws of the Member States relating to the measures to be taken against the emission of pollutants from diesel engines for use in vehicles (72/306/EEC) (repealed)

Help about what version

What Version

Help about UK-EU Regulation

Legislation originating from the EU

When the UK left the EU, legislation.gov.uk published EU legislation that had been published by the EU up to IP completion day (31 December 2020 11.00 p.m.). On legislation.gov.uk, these items of legislation are kept up-to-date with any amendments made by the UK since then.

Close

This item of legislation originated from the EU

Legislation.gov.uk publishes the UK version. EUR-Lex publishes the EU version. The EU Exit Web Archive holds a snapshot of EUR-Lex’s version from IP completion day (31 December 2020 11.00 p.m.).

Status:

EU Directives are published on this site to aid cross referencing from UK legislation. Since IP completion day (31 December 2020 11.00 p.m.) no amendments have been applied to this version.

  1. Introductory Text

  2. Article 1.For the purposes of this Directive ‘ vehicle ’ means...

  3. Article 2.No Member State may refuse to grant a vehicle EEC...

  4. Article 3.The Member State which has granted type approval shall take...

  5. Article 4.The amendments necessary for adjusting the Annexes so as to...

  6. Article 5.(1) Member States shall put into force the provisions needed...

  7. Article 6.This Directive is addressed to the Member States.

    1. ANNEX 1

      DEFINITIONS, APPLICATION FOR EC TYPE-APPROVAL, GRANTING OF EC TYPE-APPROVAL, SYMBOL OF THE CORRECTED ABSORPTION COEFFICIENT, SPECIFICATIONS AND TESTS, MODIFICATIONS OF THE TYPE, CONFORMITY OF PRODUCTION

      1. (1.)

      2. 1. DEFINITIONS

        1. (2.1.) . . . . . . . . . ....

        2. 1.1. ‘Vehicle type as regards the limitation of the emission of...

        3. 1.2. ‘Diesel engine’ means an engine which works on the compression-ignition...

        4. 1.3. ‘Cold-start device’ means a device which by its operation temporarily...

        5. 1.4. ‘Opacimeter’ means an instrument for continuous measurement of the absorption...

      3. 2. APPLICATION FOR EEC TYPE APPROVAL

        1. 2.1. The application for EC type-approval pursuant to Article 3 (4)...

        2. 2.2. A model for the information document is given in Appendix...

          1. 3.2.1. . . . . . . . . . ....

          2. 3.2.2. . . . . . . . . . ....

        3. 2.3. An engine and the equipment prescribed in Appendix 1 for...

      4. 3. GRANTING OF EC TYPE-APPROVAL

        1. 3.1. If the relevant requirements are satisfied, EC type-approval pursuant to...

        2. 3.2. A model for the EC type-approval certificate is given in...

        3. 3.3. An approval number in accordance with Annex VII to Directive...

      5. 4. SYMBOL OF THE CORRECTED ABSORPTION COEFFICIENT

        1. (4.1.) . . . . . . . . . ....

        2. (4.2.) . . . . . . . . . ....

        3. (4.3.) . . . . . . . . . ....

        4. 4.1. To every vehicle conforming to a vehicle type approved under...

        5. 4.2. The symbol must be clearly legible and indelible.

        6. 4.3. Annex II gives an example of the symbol.

      6. 5. SPECIFICATIONS AND TESTS

        1. 5.1. General

        2. 5.2. Specifications concerning cold-start devices

          1. 5.2.1. The cold-start device shall be so designed and constructed that...

          2. 5.2.2. The provisions of item 5.2.1 above shall not apply if...

            1. 5.2.2.1. The light absorption coefficient of the gases emitted by the...

            2. 5.2.2.2. Keeping the cold-start device in operation causes the engine to...

        3. 5.3. Specifications concerning the emission of pollutants

          1. 5.3.1. The emission of pollutants by the vehicle type submitted for...

          2. 5.3.2. The emission of pollutants, as measured by the method described...

          3. 5.3.3. In the case of engines with an exhaust-driven supercharger the...

        4. 5.4. Equivalent measuring instruments shall be allowed. If an instrument other...

      7. 6. MODIFICATIONS OF THE TYPE AND AMENDMENTS TO APPROVALS

        1. 6.1. In the case of modifications of the type approved pursuant...

      8. 7. CONFORMITY OF PRODUCTION

        1. 7.1. Measures to ensure the conformity of production shall be taken...

        2. (7.2.) . . . . . . . . . ....

        3. 7.2. In particular, conformity of the vehicle with the approved type...

          1. 7.2.1. Where a check is carried out on a vehicle taken...

            1. 7.2.1.1. A vehicle which has not been run in shall be...

            2. 7.2.1.2. If the figure determined in the test referred to in...

      9. (8.)

      10. (9.)

      11. Appendix 1

        5. Addendum to Appendix 1

      12. Appendix 2

        3. Addendum to EC type-approval certificate No …

          concerning the type-approval of a vehicle with regard to Directive 72/306/EEC, as last amended by Directive …/…/EC

    2. ANNEX II

      1. . . . . . . . . . ....

      2. . . . . . . . . . ....

      3. . . . . . . . . . ....

    3. ANNEX II

      EXAMPLE OF THE SYMBOL OF THE CORRECTED ABSORPTION COEFFICIENT

      2. The above symbol shows that the corrected absorption coefficient is...

    4. ANNEX III

      TEST AT STEADY SPEEDS OVER THE FULL-LOAD CURVE

      1. 1. INTRODUCTION

        1. 1.1. This annex describes the method of determining emissions of pollutants...

        2. 1.2. The test may be carried out either on an engine...

      2. 2. MEASUREMENT PRINCIPLE

        1. 2.1. The opacity of the exhaust gases produced by the engine...

        2. 2.2. In the case of diesel engines which are fitted with...

      3. 3. TEST CONDITIONS

        1. 3.1. Vehicle or engine

          1. 3.1.1. The engine or the vehicle shall be submitted in good...

          2. 3.1.2. The engine shall be tested with the equipment described in...

          3. 3.1.3. The settings of the engine shall be those described by...

          4. 3.1.4. The exhaust device shall not have any orifice through which...

          5. 3.1.5. The engine shall be in the normal working condition prescribed...

        2. 3.2. Fuel

        3. 3.3. Test laboratory

          1. 3.3.1. The absolute temperature T of the laboratory, expressed in degrees...

          2. 3.3.2. For a test to be recognized as valid, the factor...

        4. 3.4. Sampling and measuring apparatus

      4. 4. LIMIT VALUES

        1. 4.1. For each of the six engine speeds at which the...

        2. 4.2. For each engine speed the absorption coefficient of the exhaust...

    5. ANNEX IV

      TEST UNDER FREE ACCELERATION

      1. 1. TEST CONDITIONS

        1. 1.1. The test shall be carried out on the vehicle or...

          1. 1.1.1. If the engine is tested on a bench the test...

          2. 1.1.2. If the test is carried out on a stationary vehicle,...

        2. 1.2. The combustion chamber shall not have been cooled or fouled...

        3. 1.3. The test conditions described in Annex III, items 3.1, 3.2...

        4. 1.4. The conditions described in Annex III, item 3.4, with regard...

      2. 2. TEST METHODS

        1. 2.1. If the test is a bench test, the engine shall...

        2. 2.2. If the test is carried out on a vehicle, the...

        3. 2.3. With the engine idling, the accelerator control shall be operated...

        4. 2.4. The operation described in item 2.3 above shall be repeated...

        5. 2.5. Engines fitted with an air supercharger shall be subject, where...

          1. 2.5.1. In the case of engines with an air supercharger which...

          2. 2.5.2. In the case of engines with an air supercharger which...

      3. 3. DETERMINATION OF THE CORRECTED VALUE OF THE ABSORPTION COEFFICIENT

        1. 3.1. Notation

        2. 3.2. When the absorption coefficients are expressed in m−1 and the...

    6. ANNEX V

    7. ANNEX V

      LIMIT VALUES APPLICABLE IN THE TEST AT STEADY SPEEDS

    8. ANNEX VI

      CHARACTERISTICS OF OPACIMETERS

      1. 1. SCOPE

      2. 2. BASIC SPECIFICATION FOR OPACIMETERS

        1. 2.1. The gas to be measured shall be confined in an...

        2. 2.2. In determining the effective length of the light path through...

        3. 2.3. The indicating dial of the opacimeter shall have two measuring...

      3. 3. CONSTRUCTION SPECIFICATIONS

        1. 3.1. General

        2. 3.2. Smoke chamber and opacimeter casing

          1. 3.2.1. The impingement on the photoelectric cell of stray light due...

          2. 3.2.2. The optical characteristics shall be such that the combined effect...

        3. 3.3. Light source

        4. 3.4. Receiver

          1. 3.4.1. The receiver shall consist of a photoelectric cell with a...

          2. 3.4.2. The construction of the electrical circuit, including the indicating dial,...

        5. 3.5. Measuring scales

          1. 3.5.1. The light-absorption coefficient k shall be calculated by the formula...

          2. 3.5.2. The relationship between the 0-100 linear scale and the light...

          3. 3.5.3. The indicating dial of the opacimeter shall enable an absorption...

        6. 3.6. Setting and testing of the measuring apparatus

          1. 3.6.1. The electrical circuit of the photoelectric cell and of the...

          2. 3.6.2. With the lamp switched off and the electrical measuring circuit...

          3. 3.6.3. An intermediate check shall be carried out by placing in...

        7. 3.7. Opacimeter response

          1. 3.7.1. The response time of the electrical measuring circuit, being the...

          2. 3.7.2. The damping of the electrical measuring circuit shall be such...

          3. 3.7.3. The response time of the opacimeter which is due to...

          4. 3.7.4. These provisions shall apply solely to opacimeters used to measure...

        8. 3.8. Pressure of the gas to be measured and of scavenging...

          1. 3.8.1. The pressure of the exhaust gas in the smoke chamber...

          2. 3.8.2. The variations in the pressure of the gas to be...

          3. 3.8.3. The opacimeter shall be equipped with appropriate devices for measuring...

          4. 3.8.4. The limits of pressure variation of gas and scavenging air...

        9. 3.9. Temperature of the gas to be measured

          1. 3.9.1. At every point in the smoke chamber the gas temperature...

          2. 3.9.2. The opacimeter shall be equipped with appropriate devices for measuring...

      4. 4. EFFECTIVE LENGTH ‘L’ OF THE OPACIMETER

        1. 4.1. General

          1. 4.1.1. In some types of opacimeter the gas between the light...

          2. 4.1.2. The effective length of the light path is obtained by...

          3. 4.1.3. It will be necessary to take comparative readings in quick...

        2. 4.2. Method of assessment of L

          1. 4.2.1. The test gas shall be exhaust gas of constant opacity...

          2. 4.2.2. A column of length Lo of the opacimeter, which can...

          3. 4.2.3. The mean temperature of the test gas in the smoke...

          4. 4.2.4. If necessary, an expansion tank of compact design and of...

          5. 4.2.5. The test for determining the effective length shall consist of...

            1. 4.2.5.1. The opacimeter readings shall be recorded continuously during the test...

            2. 4.2.5.2. With the opacimeter operating normally, the reading on the linear...

            3. 4.2.5.3. With the known length Lo filled with the same test...

          6. 4.2.6. The effective length will be

          7. 4.2.7. The test shall be repeated with at least four test...

          8. 4.2.8. The effective length L of the opacimeter will be the...

    9. ANNEX VII

      INSTALLATION AND USE OF THE OPACIMETER

      1. 1. SCOPE

      2. 2. SAMPLING OPACIMETER

        1. 2.1. Installation for steady-speed tests

          1. 2.1.1. The ratio of the cross-sectional area of the probe to...

          2. 2.1.2. The probe shall be a tube with an open end...

          3. 2.1.3. The pressure in the exhaust pipe and the characteristics of...

          4. 2.1.4. If necessary, an expansion tank of compact design and of...

          5. 2.1.5. A butterfly valve or other means of increasing the sampling...

          6. 2.1.6. The connecting pipes between the probe, the cooling device, the...

          7. 2.1.7. A check shall be carried out during the test to...

        2. 2.2. Installation for tests under free acceleration

          1. 2.2.1. The ratio of the cross-sectional area of the probe to...

          2. 2.2.2. The probe shall be a tube with an open end...

          3. 2.2.3. The sampling system shall be such that at all engine...

          4. 2.2.4. The pipes connecting with the opacimeter shall be as short...

      3. 3. FULL-FLOW OPACIMETER

        1. 3.1. Joints in the connecting pipes between the exhaust pipe and...

        2. 3.2. The pipes connecting with the opacimeter shall be as short...

        3. 3.3. A cooling system may also he required upstream of the...

    10. ANNEX IX

      EXAMPLE OF THE SYMBOL OF THE CORRECTED ABSORPTION COEFFICIENT

      1. . . . . . . . . . ....

      2. . . . . . . . . . ....

    11. ANNEX X

      1. . . . . . . . . . ....

      2. . . . . . . . . . ....

Back to top

Options/Help

Print Options

Close

Legislation is available in different versions:

Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area.

Original (As adopted by EU): The original version of the legislation as it stood when it was first adopted in the EU. No changes have been applied to the text.

Point in Time: This becomes available after navigating to view revised legislation as it stood at a certain point in time via Advanced Features > Show Timeline of Changes or via a point in time advanced search.

Close

Opening Options

Different options to open legislation in order to view more content on screen at once

Close

More Resources

Access essential accompanying documents and information for this legislation item from this tab. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as adopted version that was used for the EU Official Journal
  • lists of changes made by and/or affecting this legislation item
  • all formats of all associated documents
  • correction slips
  • links to related legislation and further information resources
Close

Timeline of Changes

This timeline shows the different versions taken from EUR-Lex before exit day and during the implementation period as well as any subsequent versions created after the implementation period as a result of changes made by UK legislation.

The dates for the EU versions are taken from the document dates on EUR-Lex and may not always coincide with when the changes came into force for the document.

For any versions created after the implementation period as a result of changes made by UK legislation the date will coincide with the earliest date on which the change (e.g an insertion, a repeal or a substitution) that was applied came into force. For further information see our guide to revised legislation on Understanding Legislation.

Close

More Resources

Use this menu to access essential accompanying documents and information for this legislation item. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as adopted version that was used for the print copy
  • correction slips

Click 'View More' or select 'More Resources' tab for additional information including:

  • lists of changes made by and/or affecting this legislation item
  • confers power and blanket amendment details
  • all formats of all associated documents
  • links to related legislation and further information resources