A long weekend drive on the highway sounds like a good way to unwind, but the massive, often overloaded trucks and other commercial vehicles belching black-grey smoke can make city roads less pleasant.  While commercial vehicles are crucial for the supply of essential goods across cities, they also cause major pollution. In Bengaluru, commercial vehicles make up just 4% of the total vehicle population but contribute a staggering 49% of the city's PM2.5 vehicular emissions. A recent study published by the National Institute of Advanced Studies (NIAS) revealed this fact.  Particulate matter from vehicle emissions penetrates deep into the lungs…

Ramesh S, a resident of Perambur, stands at his local bus stop, waiting to start his daily commute. A beat-up Metropolitan Transport Corporation (MTC) bus, painted pink at the front and rear, arrives, emitting visible black smoke from its exhaust. The fumes and unpleasant smell make him cough. In 2023-24, the average age of MTC buses was 9.61 years as opposed to the recommended 9 years. With the addition of a few new buses into the fleet in 2024, this improved to 7.56 years, yet the overall situation remains concerning. The new buses still run on fossil fuel and the…