Abstract
The purposes of this study are to develop a representative driving cycle for automobiles in metropolitan Taipei and to ascertain the emissions of the cycle. We have collected extensive driving cycle data and propose a methodology to develop Taipei automobile driving cycle (TADC). The characteristics of TADC are high average acceleration and deceleration, high acceleration-deceleration changes and low average travel speed. Fifteen automobiles, including eleven gasoline automobiles and four diesel automobiles, were tested in the laboratory by using FTP75 and TADC testing procedure. Because the characteristics of TADC are very different from those of FTP75, the CO, HC and NOx emissions of gasoline automobiles tested by TADC are higher than FTP75. The HC and NOx emissions of diesel automobiles tested by TADC are higher than FTP75, but the CO and particulate matter (PM) emissions of diesel automobiles tested by TADC are lower than FTP75. Besides, the emissions tested by TADC and FTP75 are highly linear-correlated.
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