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What are Tier 4 regulations?

April 26, 2017regulations Tier

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What are Tier 4 regulations?

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The United States Environmental Protection Agency (EPA) and the European Union have set increasingly stringent emissions targets since 1996 to improve air quality. The Tier 4 regulations will be introduced in two phases, beginning in 2011 with Tier 4A standards. When Tier 4B regulations come into effect at the beginning of 2014 Particulate Matter (PM) and Nitrogen Oxides (NOx) will be reduced by 90% compared to Tier 3 levels.