ANNEX X U.K. CERTIFICATION PROCEDURE FOR PNEUMATIC TYRES

Appendix 2

Tyre rolling resistance coefficient information document U.K.

SECTION II U.K.

1. Approval Authority or Technical Service [or Accredited Lab]: U.K.

2. Test report No.: U.K.

3. Comments (if any): U.K.

[F1 4. Date of test report:] U.K.

Textual Amendments

F1 Substituted by Commission Regulation (EU) 2019/318 of 19 February 2019 amending Regulation (EU) 2017/2400 and Directive 2007/46/EC of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles (Text with EEA relevance).

5. Test machine identification and drum diameter/surface: U.K.

6. Test tyre details: U.K.

6.1.

Tyre size designation and service description:

6.2.

Tyre brand/ trade description:

6.3.

Reference inflation pressure: kPa

7. Test data: U.K.

7.1.

Measurement method:

7.2.

Test speed: km/h

7.3.

Load F_ZTYRE : N

7.4.

Test inflation pressure, initial: kPa

7.5.

Distance from the tyre axis to the drum outer surface under steady state conditions, r_L: m

7.6.

Test rim width and material:

7.7.

Ambient temperature: °C

7.8.

Skim test load (except deceleration method): N

8. Rolling resistance coefficient: U.K.

8.1

Initial value (or average in the case of more than 1): N/kN

8.2.

Temperature corrected: … N/kN

8.3.

Temperature and drum diameter corrected: N/kN

8.4.

[F1 Alignment equation:]

8.5.

[F2 Rolling resistance level of the tyre (in N/kN rounded to the first decimal place, in accordance with ISO80000-1 Appendix B, section B.3, rule B (example 1)) C _r,aligned : … [N/kN]]

Textual Amendments

F2 Inserted by Commission Regulation (EU) 2019/318 of 19 February 2019 amending Regulation (EU) 2017/2400 and Directive 2007/46/EC of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles (Text with EEA relevance).

9. Date of test: U.K.