Many countries are actively encouraging people to replace petrol-powered vehicles with electric cars as a strategy to reduce air pollution. What are the advantages and disadvantages of this?

• ・What infrastructure changes are necessary before electric vehicles can be widely adopted by the general public?
• ・How can developing nations make the transition to electric vehicles more economically feasible?
• ・Should governments set a fixed date to ban the sale of all new petrol-powered vehicles? Discuss.