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SAE J1321_202010 : 2020

Fuel Consumption Test Procedure - Type II

Standard Details

This document describes a rigorous-engineering fuel-consumption test procedure that utilizes industry accepted data collection and statistical analysis methods to determine the change in fuel consumption for individual trucks and buses with GVWR of more than 10000 pounds. The test procedure may be conducted on a test track or on a public road under controlled conditions and supported by extensive data collection and data analysis constraints. The on-road test procedure is offered as a lower cost alternative to on-track testing, but the user is cautioned that on-road test may result in lower resolution (or precision) data due to a lack of control over the test environment. Test results that do not rigorously follow the method described herein are not intended for public use and dissemination and shall not be represented as an SAE J1321-Type II test result.

Cross Reference: 2009-01-1605,810025,J1252,J1263,J1264,J1264_201105,J1526_201509,J1594,J2084_201604,J2263_202005,J2711_201807,J2881_201910

General Information

Status : Revised
Standard Type: Main
Document No: SAE J1321_202010 : 2020
Document Year: 2020
Pages: 48

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SAE J1321_202010 : 2020
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