An environmental advocate is helping the City of Columbus shrink pollution emissions from some heavy equipment.
A grant is paying for a new diesel filter on a front-end loader at the city's south side composting facility.
Representatives from the Ohio Environmental Council said the filter traps so much of the machine's pollution output that the machine's exhaust is not visible.
"You don't see that black plume anymore," said David Celebrezza of the Ohio Environmental Council. "In fact, you don't see any plume anymore coming out of this machine, because the filter is capturing about 99 percent of the pollution."
Council officials said the filters can range from $3,000 to $30,000, depending on the type of vehicle.
The one installed on the city's front-end loader is expected to keep about 700 pounds of carbon out of the air each year.
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