Your first thoughts about Bangkok are probably the delicious food, friendly people – and the heavy traffic. As one of the largest metropolitan capitals in Asia, and in normal times a destination for tens of millions of tourists annually, Bangkok has substantial transport requirements. But on your next trip to Bangkok, you might be surprised to see a fleet of up to 27 fully electric ferries running on the Chao Phraya River. By Won Myong Hong, senior investment specialist, Sarocha Kessakorn, climate finance specialist, Juthaporn Jiajanpong, project analyst, and Tristan Knowles, investment specialist, climate finance, Asian Development Bank.