描述
* whilst these are a necessary by product of running a combustion engine, can be harmful to the environment, contribute to air pollution and cause health problems for some people.
* diesel vehicles, in particular, are in the spotlight for the emissions they produce as they’re seen to be more polluting than petrol cars.
* as such, vehicle excise duty or vehicle tax is now determined by either engine size or fuel type and CO2 emissions.
* available for most of cars.