Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance) (c. 2400)

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ANNEX X U.K. CERTIFICATION PROCEDURE FOR PNEUMATIC TYRES

2. Definitions U.K.

For the purposes of this Annex, in addition to the definitions contained in UN/ECE Regulation No. 54 and in UN/ECE Regulation No.117, the following definitions shall apply:

(1)

‘Rolling resistance coefficient C_r’ means a ratio of the rolling resistance to the load on the tyre

(2)

‘The load on the tyre F_ZTYRE’ means a load applied to the tyre during the rolling resistance test.

(3)

‘Type of tyre’ means a range of tyres which do not differ in such characteristics as:

(a)

Manufacturer's name;

(b)

Brand name or trade mark

(c)

Tyre class (in accordance with Regulation (EC) No 661/2009)

(d)

Tyre-size designation;

(e)

Tyre structure (diagonal (bias-ply), radial);

(f)

Category of use (normal tyre, snow tyre, special use tyre) as defined in UN/ECE Regulation No.117;

(g)

Speed category (categories);

(h)

Load-capacity index (indices);

(i)

Trade description/commercial name;

(j)

Declared tyre rolling resistance coefficient