Phased Implementation of BS-VII Emission Standards Scheduled from April 2029 to April 2035
NEW DELHI: The Indian government plans to implement BS-VII emission standards, aligned with Euro 7 norms, starting in April 2029. These new regulations will impose stricter limits on harmful pollutants such as nitrogen oxides, hydrocarbons, and particulate matter, addressing rising pollution levels in Indian cities. The rollout will occur in phases, beginning with new cars and SUVs in 2029, followed by small delivery vans in 2030, and buses and heavy-duty vehicles in 2031.
The new standards for two-wheelers, which are significant contributors to pollution, will be announced later. Unlike the previous BS-VI standards introduced in April 2020, BS-VII will not necessitate changes to refinery infrastructure for petrol and diesel production. However, automobile manufacturers will need to upgrade their engines to meet the new requirements.
The road transport ministry has approved the proposed timeline, with draft notifications for the three vehicle categories expected soon. The new emission norms will not impact existing vehicles, including those compliant with BS-VI standards. The regulations will enhance emissions monitoring beyond laboratory tests, ensuring compliance under real-world driving conditions throughout a vehicle’s operational life.
The BS-VII standards will be implemented in three phases over six years, from April 2029 to April 2035, allowing the industry and testing agencies ample time to adapt. While the cut-off limits for various emissions from cars and SUVs will remain unchanged compared to BS-VI, the particulate number limit will be reduced from 23 nanometers to 10 nanometers, improving pollutant filtration. This change aims to capture ultrafine particles that have previously gone unregulated.
The transition to BS-VII is expected to significantly impact trucks and heavy-duty vehicles, targeting a reduction in emissions by 20-50% across various pollutants, particularly for on-road emissions. The new norms will also address non-exhaust sources of pollution, such as brake wear and tire abrasion. Additionally, the introduction of market surveillance will allow independent testing agencies to conduct compliance checks on vehicles in use. The BS-VII norms are fully aligned with Euro 7, which will also be rolled out in phases, starting in November 2026 for light-duty vehicles and May 2028 for heavy-duty vehicles, with full implementation extending to 2035.
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