Whether you are buying your first car or have been driving for years, road tax is one of the essential costs of vehicle ownership in Singapore. However, many motorists still wonder how road tax is calculated, why different vehicles pay different amounts and how the renewal process works. With road tax rules also affecting electric vehicles (EVs), it's more important than ever to understand how road tax applies to your vehicle. Here's everything you need to know. What is road tax? Road tax is a mandatory fee that allows your vehicle to be driven legally on public roads in Singapore. Every registered vehicle must have valid road tax before…