UNITED

NATIONS

Distr.

Economic and Social	GENERAL

Council	TRANS/WP.29/761
20 December 2000

ENGLISH

Original: ENGLISH

and FRENCH

ECONOMIC COMMISSION FOR EUROPE

INLAND TRANSPORT COMMITTEE

World Forum for Harmonization of Vehicle Regulations (WP.29)

DRAFT SUPPLEMENT 4 TO REGULATION No. 101

(Emission of CO2 and fuel consumption measurement)

Note: The text reproduced below was adopted by the Administrative Committee (AC.1) of the amended 1958 Agreement at its sixteenth session, following the recommendation by WP.29 at its one-hundred-and-twenty-second session. It is based on document TRANS/WP.29/2000/63, not amended (TRANS/WP.29/743, para. 165).

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GE.00-

Paragraph 5.2.1., amend to read:

"..... as described in appendix 1 of annex 4 to Regulation No. 83 in force at the time of the approval of the vehicle."

Paragraph 5.2.4., amend to read :

"5.2.4.	The appropriate reference fuels as defined in annex 10 to

Regulation No. 83 must be used for testing.

For LPG and natural gas (NG) .... communication document as defined in annex 3 to this Regulation.

For the purpose of calculation mentioned in paragraph 5.2.3., the fuel consumption shall be expressed in appropriate units and the following fuel characteristics shall be used:

(a)	..... For petrol and diesel fuel the density measured at 15° C will be used; for LPG and natural gas a reference density will be used, as follows:

0.538 kg/litre for LPG

0.654 kg/m3 for NG */

(b)	hydrogen-carbon ratio: .....

.....

4.00 for NG

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*/ Mean value of G20 and G23 reference fuels at 15 °C."

Annex 3,

Item 7.1.1., amend to read:

"7.1.1.	CO2 mass emissions:"

Insert new items 7.1.1.1. to 7.1.1.3., to read:

"7.1.1.1.	Urban conditions:	g/km

7.1.1.2.	Extra-urban conditions:	g/km

7.1.1.3.	Combined:	g/km"

Item 7.1.2., insert a reference to a new footnote 4/, and a new footnote 4/, to read:

"4/	For vehicles fuelled with NG the unit l/100km is replaced by m3/km."

Annex 5,

Paragraph 1.1.5., amend to read:

"..... at its normal temperature.

At the request of the manufacturer, vehicles with positive-ignition engines may be preconditioned according to the procedure prescribed in paragraph 5.2.1. of annex 7 to Regulation No. 83 in force at the time of the approval of the vehicle."

Paragraph 1.4.1., amend to read :

"..... appendix 1 of annex 4 to Regulation No. 83 in force at the time of the approval of the vehicle."

Paragraph 1.4.2., amend to read:

"1.4.2.	The load and inertia adjustments of the dynamometer are determined as defined in annex 4 to Regulation No. 83 in force at the time of the approval of the vehicle."

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