If you've got a modern clean diesel, there's a good chance you've got a diesel particulate filter (DPF) attached to the exhaust system. GEO2 Technologies today announced that a new silicon carbide ...

Most DPFs are ceramic honeycomb substrates that could get clogged after hundreds of miles. When the computer detects the ...

catalyst is coated directly onto a DPF substrate. “This [diesel oxidation catalyst] DOC + SDPF system requires only a small amount of additional space compared to the Stage IV SCR-only system ...

The team also investigated a related enzyme, known as DPF-3, from the worm Caenorhabditis ... resulting from complex interactions of the protease with its substrate. The work, Grosshans says ...