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Emissions standards in India for non-road applications are enforced by the the Ministry of Road Transport and Highways (MoRTH) and by the Central Pollution Control Board (CPCB), a department of the Ministry of Environment, Forest and Climate Change. 

Stage IV CEV emissions standards are in force since 1 April 2021 for construction equipment vehicles and Stage IV TREM standards apply from 1 January 2023 for agricultural machinery. Stage V CEV standards will come into effect on 1 January 2025 and Stage V TREM standards will apply from 1 April 2026.

Emissions from diesel engines rated greater than 800 kW for power plant, generator sets or other applications are covered by the Environment Third Amendment Rules 2002, with current limits applicable since 2005. New emissions standards for generator sets with power lower than 800 kW apply from 1 July 2023; standards for these engines were previously defined by a number of different regulations.

Stage IV and V TREM and CEV standards

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• Regulations and implementation dates for the standards
• Overview
• Emissions limits and test cycles
• Durability requirements
• In-service monitoring

Regulations and implementation dates for the standards

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Overview

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Emissions limits and test cycles

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Durability requirements

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In-service monitoring

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Power generation - from 1 July 2023

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• Overview and implementation dates
• Emissions requirements and test procedures
• Durability requirements

Overview and implementation dates

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Emissions requirements and test procedures

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Durability requirements

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Diesel powerplant above 800 kW

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• Emissions requirements

Emissions requirements

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Power generation - before 1 July 2023

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• Diesel gensets up to 800 kW
• Dual fuel diesel and NG/LPG gensets up to 800 kW
• Generator sets (≤ 19 kW) - spark ignition
• Dual fuel gasoline and NG/LPG generator sets (≤ 19 kW) - spark ignition
• NG or LPG gensets up to 800 kW

Diesel gensets up to 800 kW

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Dual fuel diesel and NG/LPG gensets up to 800 kW

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Generator sets (≤ 19 kW) - spark ignition

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Dual fuel gasoline and NG/LPG generator sets (≤ 19 kW) - spark ignition

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NG or LPG gensets up to 800 kW

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Historical Data - Stage IIIA Trem standards and Stage III CEV standards

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• Agricultural tractors
• Construction equipment vehicles
• Smoke density limits
• Durability requirements
• Test procedures

Agricultural tractors

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Construction equipment vehicles

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Smoke density limits

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Durability requirements

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Test procedures

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Historical Data - Power Generation - before 2014

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References

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