Question

Identify the alternate fuel which is produced from waste materials:

विकल्प

• Biogas

• Hydrogen

• Compressed Natural Gas

• Liquid Petroleum Gas

Answer 1

Biogas

Explanation: 

Biogas is produced by anaerobic digestion of organic waste (animal dung, food scraps, sewage), yielding a methane-rich fuel that can be used for cooking and power. This process converts waste into useful energy and reduces dependence on fossil fuels.