particulate filter

General Motors has decided to go ahead with plans to rework its 6.6L Duramax diesel V8 engine in anticipation of the new Tier 2 Bin 5 emissions standards that will take effect on January 1st. The new standards call for a 90-percent reduction of oxides of nitrogen and particulate matter. Though the ...

Automotive News reports that Honda is on its way to putting clean diesel on the market. We should see a four-banger coming our way by 2009, with a V6 to follow (Honda didn't mention when). Honda folks say that the engines will meet U.S. emissions standards -- and not just any standards... ...