Air pollution is a growing concern in India, and vehicular emissions are a significant contributor. In 2020, Indian government introduced the Bharat Stage 6 (BS6) norms to reduce automotive pollutants, and now, the second phase of these standards will be initiated from April 2023. The second phase of BS6 calls for the implementation of Real Driving Emission (RDE) norms, which aim to reduce the gap between laboratory emission values and real-world conditions. In this article, we will discuss everything you need to know about RDE norms.