The number of Compressed Natural Gas (CNG) road tractors in Germany has been steadily increasing, with a forecast of 168 units in 2024, reaching 198 units by 2028. This represents a consistent year-on-year growth from 2024 to 2028. With the last reported data in 2023 unavailable, the exact year-on-year and CAGR calculations can't be determined but the forecast trend shows a positive trajectory.

Future trends to watch for:

Advancements in CNG technology which might accelerate adoption.
Government policies incentivizing shifts to cleaner fuels.
Market dynamics in other alternative fuel vehicles impacting CNG adoption rates.