Revised Classification of Compressed Biogas (CBG) Plants Under CPCB Guidelines Introduction The Central Pollution Control Board (CPCB) has recently revised the Classification of Compressed Biogas Plant (CBG/Bio-CNG) under its new Classification-2025 framework. Specifically, this update categorizes CBG plants into Red, Blue, and White categories based on their Pollution Index (PI) scores. Consequently, the move aims…
