In 2023, the air pollution-related transport tax revenue stood at 15.86% of the Environmental Tax Revenue. Forecasts for 2024 to 2028 predict a stable figure of 15.86% each year, indicating no year-on-year variations, with a consistent trend from 2024 through to 2028. The compound annual growth rate (CAGR) over this forecast period is 0%, given the unchanging value.

Future trends to monitor include:

Changes in government policies influencing environmental taxes, which could affect future tax revenues.
Technological advancements in transport that may impact emissions and consequently the associated taxes.
The adoption of electric and cleaner transport options and its potential impact on air pollution-related taxes.