Singapore orders 60 electric buses
https://www.metro-report.com/news/news-by-region/asia-pacific-ex-china/single-view/view/singapore-orders-60-electric-buses.html
Compared with conventional buses running with crude oil, electric buses are not relatively energy efficient.
If you see how much crude oil is consumed per km, you will be able to understand it easily.
Especially in Singapore, where 95% of electricity is produced by natural gas, it's a crucial issue.
