Research Projects

The driving cycle is a crucial concept in quantifying vehicular emission characteristics for vehicle emission testing. standard driving cycles, such as the Us Federal Test Procedure and the ECE Cycle, are used to assess vehicle compliance with legal emission standards and evaluate pollutants emitted due to vehicle operation and energy consumption. Air pollution caused by vehicle emissions is a significant environmental problem and health concern for inhabitants. It is essential to have a thorough knowledge of and precise site-specific measurement of vehicle pollution before designing strategies to reduce traffic-related emissions and human exposure. Emission models can calculate vehicle emissions using average journey speed and second-by-second speed-time profiles, but they cannot distinguish between different driving modes and account for small-scale speed changes caused by traffic congestion. Modal emission models, on the other hand, focus on subtle aspects of traffic dynamics and take into account differences in emission rates caused by various driving modes. Current emission models, like the Comprehensive Modal Emission Model and VT-Micro, require second-wise vehicle speed data to determine instantaneous emission rates. The driving cycle is beneficial for testing and estimating emissions, as it plots a vehicle's driving behavior on a specific route and is primarily determined by driving characteristics related to vehicle speed. Evaluating the actual driving cycle for a city/region is essential, as Bihar ranks third in air quality index of 189. Understanding how vehicular activity or driving characteristics affect emission levels can help administration choose the best management strategy.