Litekanyetso tsa EURO ke letoto la melaoana e thehiloeng ke European Union ho fokotsa palo ea litšila tse kotsi tse hlahisoang ke likoloi. Tekanyetso e 'ngoe le e 'ngoe ea EURO e beha meeli e khethehileng bakeng sa litšila tse fapaneng, tse kang nitrogen oxides (NOx), particulate matter (PM), carbon monoxide (CO), le hydrocarbons (HC). Ha palo ea EURO e phahame, ho na le meeli e thata ea tlhahiso. Liphapang tse kholo lipakeng tsa EURO 6, 5, 4, 3 le 2 ke tsena:
EURO 2: Litekanyetso tsa EURO 2 li ile tsa hlahisoa ka 1996. Li ne li shebane haholo le ho fokotsa likhase tsa carbon monoxide (CO) le hydrocarbon (HC) tse tsoang lienjineng tsa peterole (peterole) le mesi ea particulate matter (PM) e tsoang lienjineng tsa diesel.
EURO 3: Litekanyetso tsa EURO 3 li qalile ho sebetsa ka 2000. Ba ile ba tiisa le ho feta meeli ea likhase tsa CO, HC, le PM 'me ba hlahisa lithibelo tsa pele tsa tlhahiso ea nitrogen oxides (NOx) bakeng sa lienjine tsa peterole le tsa diesel.
EURO 4: Litekanyetso tsa EURO 4 li ile tsa kenngoa ts'ebetsong ka 2005. Ba fokolitse haholo mocheso oa NOx ho tloha lienjineng tsa diesel, ka sepheo sa ho sebetsana le mathata a ntseng a eketseha a tšilafalo ea moea libakeng tsa litoropo.
EURO 5: Litekanyetso tsa EURO 5 li ile tsa hlahisoa ka 2009. Ba ile ba boela ba fokotsa meeli ea NOx le PM e tsoang lienjineng tsa diesel. Ho feta moo, litekanyetso tsa EURO 5 li behile meeli e thata ho feta tekano e tsoang lienjineng tsa peterole.
EURO 6: Litekanyetso tsa EURO 6 li kentsoe tšebetsong ka mekhahlelo e 'meli: EURO 6a ka 2014 le EURO 6b ka 2017. Litekanyetso tsena li tlisitse phokotso ea bohlokoahali ea mesi ho fihlela joale. EURO 6 e hlahisitse lithibelo tse thata tse hlahisoang ke nitrogen oxides (NOx) ho tsoa lienjineng tsa peterole le tsa diesel, hammoho le phokotso e eketsehileng ea mesi e tsoang lienjineng tsa diesel.
EURO 6d-TEMP le EURO 6d: Tsena ke likeketso tse ling ho litekanyetso tsa EURO 6 tse behang meeli e tlase ea tlhahiso. EURO 6d-TEMP e ile ea hlahisoa ka 2019, 'me EURO 6d ka 2020. Litekanyetso tsena li boetse li fokotsa mocheso oa lefatše oa sebele oa NOx 'me li kenyelletsa mekhoa e matla ea teko ho netefatsa hore ho latela maemo a fapaneng a ho khanna.
EURO 6d-TEMP le EURO 6d li fetohile litekanyetso tsa morao-rao le tse thata ka ho fetisisa tsa ho ntša litšila, tse shebaneng le ho fokotsa litšila tse kotsi le ho khothaletsa likoloi tse hloekileng le tse se nang tikoloho. Ho bohlokoa ho hlokomela hore tekanyetso e 'ngoe le e 'ngoe ea EURO e sebetsa mefuteng e fapaneng ea likoloi (mohlala, likoloi, literaka, libese) 'me e kanna ea ba le matsatsi a fapaneng a ts'ebetsong bakeng sa mefuta e mecha ea likoloi. Litekanyetso tsa EURO li ntse li tsoela pele ho fetoha ho rarolla mathata a ntseng a eketseha ka boleng ba moea le litlamorao tsa tikoloho.