UK unlikely to follow in German’s footsteps

The UK has no plans to implement the newest system put into place in Germany despite this system already saving 1.8m in C02 emissions. Should this system be implemented here of is it unlikely to be worth attempting in this country? 

https://www.msn.com/en-gb/news/newslondon/government-has-no-plans-for-uk-version-of-e2-82-ac9-train-ticket-scheme-despite-germany-success/ar-AA11oVL2