Fuel/Emissions
DPF Challenge: ’07 vocational issues still being worked out
TORONTO -- Diesel particulate filters (DPFs) are well understood by the engineering community, and after spending many million of dollars in testing, engine and truck makers have worked out exactly where they should be placed on a highway truck or tractor.
Cummins Westport says it has first 2010-certified engine
VANCOUVER -- Canadian alternative engine maker Cummins Westport says that its ISL G urban truck and bus diesel has received formal certification from the U.S. Environmental Protection Agency for 0.2g/bhp-hr oxides of nitrogen (NOx) and 0.01 g/bhp-hr particulate matter (PM).