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Latest Diesel particulate filter Stories

2012-04-16 21:59:29

New research from North Carolina State University shows that federal requirements governing diesel engines of new tractor trailer trucks have resulted in major cuts in emissions of particulate matter (PM) and nitrogen oxides (NOx) — pollutants that have significant human health and environmental impacts. “These requirements for new emission control technologies have increased costs for truck owners and operators, and we wanted to know whether there was any real benefit,”...


Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'kardia,' heart.
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