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Honda Patents Plasma Technology to Clean Diesel Fumes
. . .
In Honda's treatment system, exhaust flows through a plasma reactor, or
gaseous layer of electrically charged atoms, according to a U.S. patent
obtained by Bloomberg News. That separates out harmful nitrogen oxides
and forms nitrogen dioxide that's then reduced or absorbed by alkali
metals and silver.
``If they can get it out there, it's an engineering tour- de-force,''
said Robert Weber, who analyzes exhaust systems for Tiax LLC, a Cambridge,
Massachusetts-based consulting firm.
No automaker has built a diesel-powered car that can meet pollution rules
in California and some Northeast states, which are tougher than federal
requirements. DaimlerChrysler AG and Volkswagen AG, the largest sellers of
diesel autos, are working on systems that would meet the stricter rules by
squirting urea, an ammonia-based chemical found in urine, on diesel fumes.
. . .
Honda Patents Plasma Technology to Clean Diesel Fumes
. . .
In Honda's treatment system, exhaust flows through a plasma reactor, or
gaseous layer of electrically charged atoms, according to a U.S. patent
obtained by Bloomberg News. That separates out harmful nitrogen oxides
and forms nitrogen dioxide that's then reduced or absorbed by alkali
metals and silver.
``If they can get it out there, it's an engineering tour- de-force,''
said Robert Weber, who analyzes exhaust systems for Tiax LLC, a Cambridge,
Massachusetts-based consulting firm.
No automaker has built a diesel-powered car that can meet pollution rules
in California and some Northeast states, which are tougher than federal
requirements. DaimlerChrysler AG and Volkswagen AG, the largest sellers of
diesel autos, are working on systems that would meet the stricter rules by
squirting urea, an ammonia-based chemical found in urine, on diesel fumes.
. . .