Electric buses are being introduced in some cities of Tamil Nadu to promote:

The correct answer is: All of the above.

Electric buses are being introduced in some cities of Tamil Nadu to promote sustainable transportation, reduced noise pollution, and improved fuel efficiency.

• Sustainable transportation is the use of modes of transportation that have a low environmental impact. Electric buses are a sustainable form of transportation because they do not produce emissions that contribute to climate change.
• Reduced noise pollution is another benefit of electric buses. Electric buses are much quieter than diesel buses, which can help to improve the quality of life in urban areas.
• Improved fuel efficiency is also a benefit of electric buses. Electric buses are more efficient than diesel buses, which means that they require less energy to operate. This can save money on fuel costs and reduce greenhouse gas emissions.

Overall, electric buses are a sustainable and efficient form of transportation that can help to improve the quality of life in urban areas.