Comparación de tecnologías para la reducción de emisiones contaminantes en autobuses urbanos

Abstract

Exhaust emissions restrictions are continuously increasing. Engine manufacturers are working in the development of new systems that could control those emissions. In this paper, two alternatives (exhaust gas recirculation + particulate filter and selective catalytic reduction + urea) are compared on urban buses using onboard measurements along a route that includes low and high driving speed stretches. Furthermore, the use of diesel and biodiesel as fuels has been compared too