Ahlstrom, a global high performance materials company, has launched products for transportation air filtration during the eleventh World Filtration Congress in Graz, Austria, April 16-20.Ahlstrom XAIR is a new portfolio of automotive and heavy duty air filter media achieving exceptional efficiency in soot filtration and dust holding capacity, having positive impact on engine lifetime, engine emission and fuel consumption, the company writes in a press release.The media can be processed in traditional high speed pleating machinery and is available with no curing, fast curing, flame retardant and water durable functionalities.Ahlstrom is a leading manufacturer of filtration materials globally with eleven production sites across four continents.