Hancock Co. school buses get a little greener - WLOX.com - The News for South Mississippi

Hancock Co. school buses get a little greener


HANCOCK COUNTY, MS (WLOX) - Cleaner, greener school busses will roll in Hancock County next fall. Monday, crews began installing devices on the diesel busses to drastically reduce emissions.

The Diesel Oxidation Catalyst, or DOC, is a porous ceramic honeycomb-like structure that's coated with a material that makes a chemical reaction to reduce pollution. The devices do not affect fuel economy of the busses, and don't require any maintenance.

Money for the pollution controls comes from the EPA and federal stimulus funds. 

"These newer ones reduce noise, plus make the exhaust cleaner by burning off what may be in the exhaust straight from the engine," Steven Howell with Waters Truck and Tractor said.

Buses built after 2006 do not need the new DOC unit because of stricter emission standards for diesel engines that were implemented in 2007.

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