<P> The stages are typically referred to as Euro 1, Euro 2, Euro 3, Euro 4, Euro 5 and Euro 6 for Light Duty Vehicle standards . The corresponding series of standards for Heavy Duty Vehicles use Roman, rather than Arabic numerals (Euro I, Euro II, etc .) </P> <P> The legal framework consists in a series of directives, each amendments to the 1970 Directive 70 / 220 / EEC . The following is a summary list of the standards, when they come into force, what they apply to, and which EU directives provide the definition of the standard . </P> <Ul> <Li> Euro 1 (1993): <Ul> <Li> For passenger cars--91 / 441 / EEC . </Li> <Li> Also for passenger cars and light trucks--93 / 59 / EEC . </Li> </Ul> </Li> <Li> Euro 2 (1996) for passenger cars--94 / 12 / EC (& 96 / 69 / EC) <Ul> <Li> For motorcycle--2002 / 51 / EC (row A)--2006 / 120 / EC </Li> </Ul> </Li> <Li> Euro 3 (2000) for any vehicle--98 / 69 / EC <Ul> <Li> For motorcycle--2002 / 51 / EC (row B)--2006 / 120 / EC </Li> </Ul> </Li> <Li> Euro 4 (2005) for any vehicle--98 / 69 / EC (& 2002 / 80 / EC) </Li> <Li> Euro 5 (2009 / 9) for light passenger and commercial vehicles--715 / 2007 / EC </Li> <Li> Euro 6 (2014) for light passenger and commercial vehicles--459 / 2012 / EC </Li> </Ul> <Li> Euro 1 (1993): <Ul> <Li> For passenger cars--91 / 441 / EEC . </Li> <Li> Also for passenger cars and light trucks--93 / 59 / EEC . </Li> </Ul> </Li>

What is the difference between euro 2 and euro 3
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