Particulate filters have been successfully used to trap particles from Diesel engines for several years. With the advent of particle number limits for gasoline direct injection, or GDI, engines, there is now a potential need for gasoline particulate filters (GPFs). Global Emissions Management looks at the challenges and the technology required to reduce the...
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http://www.jm-gem.com/2013/01/advanced-emissions-control-concepts-for-gasoline/