What is that whiff: smelling salts or a Euro-6 truck engine?

摘要

Your analysis of the DfT's challenges to the European Commission on the issue of Euro-6 emission limit proposals (Transport Engineer September) opens up a technological can of worms. Most diesel engineers would contend that the increase in exhaust system backpressure through adding a diesel particulate filter (dpf) and an ammonia-slip catalyst should not in itself cause a five to six per cent worsening in fuel consumption.