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Recent WP.29 Contributions from GM

30 Sep 2019
WLTP: Chevrolet Bolt BEV low-temperature and battery/cabin preconditioning result (-)
["Worldwide Harmonized Light Vehicles Test Procedure <p>This GTR prescribes a test cycle and test procedures to measure the emissions (including off-cycle) and fuel efficiency of light-duty vehicles. The GTR was adopted at the March 2014 session of the World Forum.</p>\r\n<p>A supplemental \"phase 1b\" is underway to refine certain elements of the initial regulation. WP.29/AC.3 expects to consider a proposal for Amend. 1 to UN GTR No. 15 in November 2016 as result of Phase 1b activities.</p>\r\n<p>A second phase is expected to address low ambient temperature, high altitude test procedures, and possibly durability and conformity issues.</p>\r\n<p>A third phase would eventually include the addition of reference fuels, correlation across existing regional/national cycles, and introduction of emissions limits.</p>\r\n<p>The <a href=\"https://wiki.unece.org/display/trans/Latest+GTR+15\" target=\"_blank\">latest draft version</a> of the amended GTR is regularly updated by the WLTP informal working group.</p>\r\n<p>The regulation is also supplemented by a <a href=\"https://wiki.unece.org/display/trans/Gearshift+calculation+tool\" target=\"_blank\">gearshift calculation tool</a>.\r\n WLTP Worldwide Harmonized Light Vehicle Emissions Test Procedure GTR No. 15 GTR No. 15"]
30 Sep 2019
WLTP: Chevrolet Bolt BEV WLTP Future Test Improvements TA/Low Temperature (-)
["Worldwide Harmonized Light Vehicles Test Procedure <p>This GTR prescribes a test cycle and test procedures to measure the emissions (including off-cycle) and fuel efficiency of light-duty vehicles. The GTR was adopted at the March 2014 session of the World Forum.</p>\r\n<p>A supplemental \"phase 1b\" is underway to refine certain elements of the initial regulation. WP.29/AC.3 expects to consider a proposal for Amend. 1 to UN GTR No. 15 in November 2016 as result of Phase 1b activities.</p>\r\n<p>A second phase is expected to address low ambient temperature, high altitude test procedures, and possibly durability and conformity issues.</p>\r\n<p>A third phase would eventually include the addition of reference fuels, correlation across existing regional/national cycles, and introduction of emissions limits.</p>\r\n<p>The <a href=\"https://wiki.unece.org/display/trans/Latest+GTR+15\" target=\"_blank\">latest draft version</a> of the amended GTR is regularly updated by the WLTP informal working group.</p>\r\n<p>The regulation is also supplemented by a <a href=\"https://wiki.unece.org/display/trans/Gearshift+calculation+tool\" target=\"_blank\">gearshift calculation tool</a>.\r\n WLTP Worldwide Harmonized Light Vehicle Emissions Test Procedure GTR No. 15 GTR No. 15", " This page covers the work on transposing GTR No. 15 (Worldwide Harmonized Light Vehicle Emissions Test Procedure-WLTP) into the form of a UN type-approval regulation as used under the 1958 Agreement. WLTP (UNR) Light Vehicle Emissions Type Approval Test Procedure WP.29 Regulatory Project Light Vehicle Emissions Type Approval Test Procedure"]
27 Sep 2019
WLTP: Chevrolet Bolt and future test improvements (WLTP-28-22)
["Obsolete: See UNECE Regulation 84. This rule has been superseded by UN Regulation 84 and is noted solely for reference. Emission of Gaseous Pollutants Emission of Gaseous Pollutants (Obsolete) UN Regulation No. 15 UN R15"]

News & Developments

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