<prompt> Translate the following text to SwahiliThe final rule revises the tailpipe emission portions of the Federal Test Procedure for light-duty vehicles and light-duty trucks.  <response>: Kanuni ya mwisho inarekebisha sehemu za uzalishaji wa bomba la mwisho la Utaratibu wa Mtihani wa Shirikisho kwa magari ya kazi nyepesi na malori ya kazi nyepesi. 