GS-3: Environment, Energy, Infrastructure Key Points: PM2.5 pollution caused ~30,000 annual deaths in Indian cities (2008-2019). Global EV adoption is rising, led by Europe and China. Hydrogen fuel cell vehicles (HFCVs) are 20-30% costlier than battery EVs, but costs may align by 2030. Per km costs: HFC buses ($0.84/km) vs. …
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