Keijo Torkkell

The Optimization of Light-duty Diesel Oxidation Catalysts for Preturbo, Closed-coupled and Underfloor Positions

Teuvo Maunula, A. Suopanki, Keijo Torkkell, 2004 .

Particle Emissions from a Small Two-Stroke Engine: Effects of Fuel, Lubricating Oil, and Exhaust Aftertreatment on Particle Characteristics

Eero Antikainen, Taisto Raunemaa, Esa Elonen, 2005 .

Low Emission Three-way Catalyst and OSC Material Development for OBD Diagnostics

Teuvo Maunula, Keijo Torkkell, Matti Härkönen, 1999 .