Which of the following would produce minimum environmental pollution?

مندرجہ ذیل میں سے کون کم سے کم ماحولیاتی آلودگی پیدا کرے گا؟

Hydrogen

Coal

Diesel

None of these

Hydrogen produces water (H₂O) as a byproduct when burned, making it the cleanest fuel.

Coal, Diesel, and Kerosene release carbon dioxide (CO₂) and other pollutants, contributing to environmental pollution.