{"id":6154,"date":"2025-12-08T23:29:30","date_gmt":"2025-12-09T07:29:30","guid":{"rendered":"https:\/\/3waycatalyst.com\/?p=6154"},"modified":"2025-12-08T23:29:33","modified_gmt":"2025-12-09T07:29:33","slug":"three-way-catalytic-converter-guide-advanced-euro-6-vs-euro-7-emission-upgrade-comparison","status":"publish","type":"post","link":"https:\/\/3waycatalyst.com\/fi\/three-way-catalytic-converter-guide-advanced-euro-6-vs-euro-7-emission-upgrade-comparison\/","title":{"rendered":"Three Way Catalytic Converter Guide: Advanced Euro 6 vs Euro 7 Emission Upgrade Comparison"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"introduction\">Johdanto<\/h2>\n\n\n\n<p>The transition from Euro 6 to Euro 7 marks a major shift in European emission-control regulations. These new rules reshape catalyst design, durability expectations, and real-world performance requirements. They also increase the technical burden on <a href=\"https:\/\/3waycatalyst.com\/fi\/three-way-catalytic-converter-twc\/\">kolmitiekatalysaattorit<\/a>, diesel aftertreatment systems, and particulate-control technologies. To comply with Euro 7, manufacturers must improve catalyst activity, reduce ultrafine particles, manage new pollutants, and ensure long-term system stability.<\/p>\n\n\n\n<p>Euro 7 expands pollutant categories, tightens durability limits, and adds new test conditions that capture real-world driving more accurately than Euro 6. This pushes catalyst engineering toward faster light-off performance, better thermal resistance, and enhanced monitoring strategies.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"euro-7-represents-a-major-step-beyond-euro-6\">Euro 7 Represents a Major Step Beyond Euro 6<\/h2>\n\n\n\n<p>Euro 6 regulations have controlled NOx, CO, PM, and hydrocarbon emissions since 2014. Euro 7 builds on this foundation but broadens the scope. It adds ammonia and nitrous oxide limits, regulates particles from 10 nm, and introduces standards for brakes and tires.<\/p>\n\n\n\n<p>Euro 7 differs from Euro 6 in several ways:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wider pollutant coverage<\/li>\n\n\n\n<li>Longer durability requirements<\/li>\n\n\n\n<li>Stricter Real Driving Emissions tests<\/li>\n\n\n\n<li>New particle-number thresholds (PN10)<\/li>\n\n\n\n<li>Lower-temperature and lower-load evaluations<\/li>\n\n\n\n<li>Regulation of non-exhaust emissions<\/li>\n\n\n\n<li>Battery performance requirements for electric vehicles<\/li>\n<\/ul>\n\n\n\n<p>These changes require more advanced catalyst chemistry and stronger system integration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"catalyst-durability-requirements-increase\">Catalyst Durability Requirements Increase<\/h2>\n\n\n\n<p>Euro 7 requires catalytic converters and filters to remain effective for&nbsp;<strong>200,000 km or 10 years<\/strong>, which doubles Euro 6\u2019s 100,000-km requirement. Manufacturers need stronger substrates, more stable washcoat formulations, and optimized PGM distribution.<\/p>\n\n\n\n<p>To meet durability goals, catalyst engineers focus on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thermal-resistant substrate materials<\/li>\n\n\n\n<li>High-stability oxygen-storage components<\/li>\n\n\n\n<li>Strong washcoat adhesion<\/li>\n\n\n\n<li>Optimized precious-metal loading<\/li>\n\n\n\n<li>Improved flow-channel design<\/li>\n<\/ul>\n\n\n\n<p>Euro 7\u2019s OBD rules also require earlier detection of catalyst degradation, which demands more sensitive monitoring sensors and software.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"ultrafine-particle-regulation-pn10-\">Ultrafine Particle Regulation (PN10)<\/h2>\n\n\n\n<p>Euro 7 regulates particles down to&nbsp;<strong>10 nm (PN10)<\/strong>, while Euro 6 covered only 23 nm (PN23). This forces the adoption of higher-efficiency gasoline particulate filters and more advanced diesel particulate filters.<\/p>\n\n\n\n<p>PN10-standardin t\u00e4ytt\u00e4miseksi insin\u00f6\u00f6rit parantavat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GPF-pinnoitteen tasaisuus<\/li>\n\n\n\n<li>Suodattimen huokosrakenne<\/li>\n\n\n\n<li>Katalyytin kuumenemisk\u00e4ytt\u00e4ytyminen<\/li>\n\n\n\n<li>Uudistusstrategiat<\/li>\n<\/ul>\n\n\n\n<p>T\u00e4m\u00e4 vaikuttaa bensiini-, diesel- ja hybridivoimansiirtoihin.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"new-pollutant-categories\">Uudet saasteiden luokat<\/h2>\n\n\n\n<p>Euro 7 -normit tuovat mukanaan uusia p\u00e4\u00e4st\u00f6rajoja, jotka vaikuttavat katalysaattorikemiaan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ammonia-nh-\">Ammoniakki (NH\u2083)<\/h3>\n\n\n\n<p>Euro 7 -normi rajoittaa ammoniakin karkaamista SCR-j\u00e4rjestelmist\u00e4. Valmistajien on k\u00e4ytett\u00e4v\u00e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optimoitu urean annostelu<\/li>\n\n\n\n<li>Suuremman kapasiteetin SCR-katalyytit<\/li>\n\n\n\n<li>Ammoniakkiliukukatalyytit (ASC)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"nitrous-oxide-n-o-\">Typpioksiduuli (N\u2082O)<\/h3>\n\n\n\n<p>N\u2082O:sta tulee s\u00e4\u00e4nnelty ep\u00e4puhtaus. Katalyyttivalinnat muuttuvat kohti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vanadiinipohjaiset SCR-j\u00e4rjestelm\u00e4t (v\u00e4h\u00e4isempi N\u2082O) kupari-zeoliitti-SCR:n sijaan<\/li>\n<\/ul>\n\n\n\n<p>T\u00e4m\u00e4 muutos v\u00e4hent\u00e4\u00e4 kasvihuonekaasup\u00e4\u00e4st\u00f6j\u00e4 ja parantaa suorituskyky\u00e4 k\u00e4yt\u00e4nn\u00f6ss\u00e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"real-world-driving-emissions-testing\">Todellisissa ajo-olosuhteissa teht\u00e4v\u00e4t p\u00e4\u00e4st\u00f6testit<\/h2>\n\n\n\n<p>Euro 7 laajentaa RDE-testien kattavuutta. Katalysaattorij\u00e4rjestelmien on toimittava:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Alemmat nopeudet<\/li>\n\n\n\n<li>Pienempi moottorin kuormitus<\/li>\n\n\n\n<li>Alhaisemmat pakokaasujen l\u00e4mp\u00f6tilat<\/li>\n\n\n\n<li>Laajemmat ymp\u00e4rist\u00f6n l\u00e4mp\u00f6tila-alueet<\/li>\n<\/ul>\n\n\n\n<p>Valmistajien on otettava k\u00e4ytt\u00f6\u00f6n nopeampi valon sammutus<a href=\"https:\/\/3waycatalyst.com\/fi\/three-way-catalytic-converter-twc\/\"> kolmitiekatalysaattorit <\/a>k\u00e4ytt\u00e4en:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Korkeamman aktiivisuuden PGM-formulaatiot<\/li>\n\n\n\n<li>Ohutsein\u00e4iset alustat<\/li>\n\n\n\n<li>S\u00e4hk\u00f6isesti l\u00e4mmitett\u00e4v\u00e4t katalyytit<\/li>\n\n\n\n<li>Parannettu l\u00e4mm\u00f6neristys<\/li>\n\n\n\n<li>Optimoitu sijoitus l\u00e4hemp\u00e4n\u00e4 moottoria<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"table-1-euro-6-vs-euro-7-key-technical-differences\">Taulukko 1. Euro 6:n ja Euro 7:n keskeiset tekniset erot<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Parametri<\/th><th>Euro 6<\/th><th>Euro 7<\/th><th>Vaikutus<\/th><\/tr><\/thead><tbody><tr><td>Kest\u00e4vyys<\/td><td>100 000 km<\/td><td>200 000 km<\/td><td>Vaatii vahvempia katalyyttej\u00e4<\/td><\/tr><tr><td>Hiukkaskoko<\/td><td>23 nm<\/td><td>10 nm<\/td><td>Korkeampi suodatustehokkuus<\/td><\/tr><tr><td>NOx<\/td><td>Kohtalainen<\/td><td>Tiukempi<\/td><td>Edistyneet SCR\/TWC-mallit<\/td><\/tr><tr><td>Ammoniakki<\/td><td>Ei s\u00e4\u00e4nnelty<\/td><td>S\u00e4\u00e4nnelty<\/td><td>Tarvitsee ASC-katalysaattorin<\/td><\/tr><tr><td>N\u2082O<\/td><td>Ei s\u00e4\u00e4nnelty<\/td><td>S\u00e4\u00e4nnelty<\/td><td>Vanadiini-SCR-trendi<\/td><\/tr><tr><td>RDE-kynnysarvot<\/td><td>Rajoitettu<\/td><td>Laajennettu<\/td><td>Kylm\u00e4k\u00e4ynnistyksen optimointi<\/td><\/tr><tr><td>Jarru-\/rengashiukkaset<\/td><td>Ei<\/td><td>Kyll\u00e4<\/td><td>Koskee my\u00f6s s\u00e4hk\u00f6autoja<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"euro-7-requirements-for-diesel-engines\">Euro 7 -vaatimukset dieselmoottoreille<\/h2>\n\n\n\n<p>Dieselj\u00e4rjestelmiss\u00e4 on oltava integroituna:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Suurempi DPF-tilavuus<\/li>\n\n\n\n<li>Tehokkaammat SCR-katalyytit<\/li>\n\n\n\n<li>Vanadiinipohjaiset j\u00e4rjestelm\u00e4t alhaisempaan N\u2082O-pitoisuuteen<\/li>\n\n\n\n<li>Parannettu urean ruiskutuksen hallinta<\/li>\n\n\n\n<li>Parempia l\u00e4mmitys- ja sekoitusstrategioita<\/li>\n<\/ul>\n\n\n\n<p>N\u00e4m\u00e4 parannukset varmistavat vakaan typpioksidip\u00e4\u00e4st\u00f6jen (NOx) muuntamisen kaupunkiajossa pienill\u00e4 nopeuksilla ja kuormituksella.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"euro-7-requirements-for-gasoline-engines\">Euro 7 -vaatimukset bensiinimoottoreille<\/h2>\n\n\n\n<p>Bensiiniajoneuvot ovat riippuvaisia\u00a0<strong><a href=\"https:\/\/3waycatalyst.com\/fi\/three-way-catalytic-converter-twc\/\">kolmitiekatalysaattori<\/a><\/strong>Euro 7 nostaa odotuksia seuraavien osalta:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CO2-v\u00e4hennys<\/li>\n\n\n\n<li>Hiilivetyjen hallinta<\/li>\n\n\n\n<li>NOx-v\u00e4hennys<\/li>\n\n\n\n<li>N\u2082O-vaimennus<\/li>\n<\/ul>\n\n\n\n<p>Bensiinin suoraruiskutusmoottorit vaativat my\u00f6s parempaa ylipaineventtiilin suorituskyky\u00e4 PN10-standardien t\u00e4ytt\u00e4miseksi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"non-exhaust-particles\">Muut kuin pakokaasuhiukkaset<\/h2>\n\n\n\n<p>Euro 7 -normi tuo k\u00e4ytt\u00f6\u00f6n rajoitukset hiukkasille, jotka ovat per\u00e4isin seuraavista l\u00e4hteist\u00e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jarrupalat<\/li>\n\n\n\n<li>Jarrulevyt<\/li>\n\n\n\n<li>Renkaat<\/li>\n<\/ul>\n\n\n\n<p>T\u00e4m\u00e4 koskee polttomoottoriajoneuvoja ja s\u00e4hk\u00f6ajoneuvoja. Valmistajat vastaavat t\u00e4h\u00e4n kulumista kest\u00e4vill\u00e4 materiaaleilla ja p\u00f6lynker\u00e4ysj\u00e4rjestelmill\u00e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"broader-climate-policy-context\">Laajempi ilmastopoliittinen konteksti<\/h2>\n\n\n\n<p>Euro 7 tukee Euroopan vihre\u00e4n kehityksen ohjelmaa ja ilmastolakia. N\u00e4iden politiikkojen tavoitteena on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>55 %:n kasvihuonekaasup\u00e4\u00e4st\u00f6jen v\u00e4hennys vuoteen 2030 menness\u00e4<\/li>\n\n\n\n<li>Nettonollap\u00e4\u00e4st\u00f6t vuoteen 2050 menness\u00e4<\/li>\n<\/ul>\n\n\n\n<p>Euro 7 -standardi edist\u00e4\u00e4 todellisten ajo-olosuhteiden p\u00e4\u00e4st\u00f6jen v\u00e4hent\u00e4mist\u00e4 pelkkien laboratoriotulosten noudattamisen sijaan.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"euro-6-pollutant-limits-reference-\">Euro 6 -p\u00e4\u00e4st\u00f6rajat (viitearvo)<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Moottorin tyyppi<\/th><th>Saasteen<\/th><th>Rajoittaa<\/th><\/tr><\/thead><tbody><tr><td>Bensiini<\/td><td>CO<\/td><td>1,0 g\/km<\/td><\/tr><tr><td>Bensiini<\/td><td>THC<\/td><td>0,10 g\/km<\/td><\/tr><tr><td>Bensiini<\/td><td>NMHC<\/td><td>0,068 g\/km<\/td><\/tr><tr><td>Bensiini<\/td><td>NOx<\/td><td>0,06 g\/km<\/td><\/tr><tr><td>Bensiini DI<\/td><td>PM<\/td><td>0,005 g\/km<\/td><\/tr><tr><td>diesel-<\/td><td>CO<\/td><td>0,50 g\/km<\/td><\/tr><tr><td>diesel-<\/td><td>HC+NOx<\/td><td>0,17 g\/km<\/td><\/tr><tr><td>diesel-<\/td><td>NOx<\/td><td>0,08 g\/km<\/td><\/tr><tr><td>diesel-<\/td><td>PM<\/td><td>0,005 g\/km<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Euro 7 -normi tuo mukanaan tiukemmat raja-arvot, laajemmat testausskenaariot ja pidemm\u00e4t kest\u00e4vyysvaatimukset.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"euro-7-implementation-timeline\">Euro 7 -p\u00e4\u00e4st\u00f6rajan k\u00e4ytt\u00f6\u00f6notto<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1. hein\u00e4kuuta 2025: Henkil\u00f6autot ja kevyet pakettiautot (M1, N1)<\/li>\n\n\n\n<li>1. hein\u00e4kuuta 2027: Linja-autot ja raskaat hy\u00f6tyajoneuvot (M2, M3, N2, N3)<\/li>\n\n\n\n<li>1. hein\u00e4kuuta 2030: Pienet valmistajat<\/li>\n<\/ul>\n\n\n\n<p>Ajoneuvoja, jotka eiv\u00e4t t\u00e4yt\u00e4 Euro 7 -normeja, ei voida tuoda markkinoille n\u00e4iden p\u00e4iv\u00e4m\u00e4\u00e4rien j\u00e4lkeen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Johtop\u00e4\u00e4t\u00f6s<\/h2>\n\n\n\n<p>Euro 7 on yksi merkitt\u00e4vimmist\u00e4 s\u00e4\u00e4ntelyparannuksista sitten Euro-standardien k\u00e4ytt\u00f6\u00f6noton. Se nostaa kest\u00e4vyysvaatimuksia, lis\u00e4\u00e4 uusia ep\u00e4puhtauksia, s\u00e4\u00e4ntelee eritt\u00e4in hienojakoisia hiukkasia ja laajentaa todellisia ajo-olosuhteita koskevia vaatimuksia. <a href=\"https:\/\/3waycatalyst.com\/fi\/three-way-catalytic-converter-twc\/\">Kolmitiekatalysaattorit<\/a> on tarjottava nopeampi sammutus ja tehokkaampi typpioksidip\u00e4\u00e4st\u00f6jen poisto 200 000 km:n toimintas\u00e4teen aikana. Dieselj\u00e4rjestelmien on k\u00e4sitelt\u00e4v\u00e4 ammoniakin liukumista, typpioksidin muodostumista ja typpioksidin muuntumista matalassa l\u00e4mp\u00f6tilassa suuremmalla tarkkuudella.<\/p>\n\n\n\n<p>Euro 7 -normi kannustaa katalysaattorien insin\u00f6\u00f6rej\u00e4, valmistajia ja materiaalitieteilij\u00f6it\u00e4 innovoimaan. Sen k\u00e4ytt\u00f6\u00f6notto nopeuttaa Euroopan edistymist\u00e4 kohti puhtaampaa ilmaa ja yhdenmukaistaa liikenteen pitk\u00e4n aikav\u00e4lin ilmastotavoitteiden kanssa.<\/p>","protected":false},"excerpt":{"rendered":"<p>Euro 6 and Euro 7 differences explained, covering catalyst durability, PN10 ultrafine particles, RDE limits, ammonia control, and updated requirements for modern exhaust systems.<\/p>","protected":false},"author":1,"featured_media":6174,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[1248,1518,542,500,382,1519,1517,99],"class_list":["post-6154","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-automotive-emissions-control","tag-catalytic-converter-standards","tag-dpf","tag-euro-7","tag-gpf","tag-rde","tag-scr","tag-three-way-catalytic-converter-2"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/posts\/6154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/comments?post=6154"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/posts\/6154\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/media\/6174"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/media?parent=6154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/categories?post=6154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/fi\/wp-json\/wp\/v2\/tags?post=6154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}