The engines future In recent years the robustand economic nature of the diesel engine has increasedits popularity as a drive unit. Today professional diesel engines are thestandard choice for mobile machinery used in the con-struction industry and agri-culture. Yet despite the most modern engine technology,particle emissions remain anissue for the diesel engine. Scientific research indicatesthat engines without a dieselparticulate filter are a health risk. Today, Swiss legislationalready requires installationof a filter in each constructionmachine. In order to achieve the emission values,MANN+HUMMELrecommendthe use of a diesel particulate filter.Diesel engines make an in-valuable contribution towards achieving environmental pro-tection targets. In contrast topetrol engines, due to their low fuel consumption theyproduce approximately 20%less carbon dioxide. However, for many years ithas been clear that the sootparticles generated by diesel engines contribute towardsenvironmental pollution andare a risk to health. The European 97/68/EC guide- line for engines installed innon-road mobile machineryrequires a value of 0.025 g/kWh for the particle emissi-ons of diesel engines.

Diesel particulate filtration – trends

According to the WorldHealth Organisation (WHO) and the US Environmental Protection Agency, particula- tes from diesel engines are today responsible for 5% of all respiratory cancer. Environmental and politicalpressure and regulationsgoverning the workplace have therefore made it a top priority to use diesel particu-late professional filters to remove the fineparticulates from exhaust emissions created by dieselengines.

Market development

Development of the EU – Non-road guideline 97/68/EC
Stage I: 1999 Stage II: 2003 Stage IIIA: 2003 Stage IIIB: 2012 Stage IV: 2014 PM [g/kWh] 0 0.4 3.3 4.0 6.0 9.2 0.70.30.025 Stage IStage IIStage IIIAStage IIIBStage IV NO
x [g/kWh] 2