This is exciting that the last major holdout of leaded gasoline/petrol -- aviation -- is happening with a target of 2030. This can't help but be a good thing for the environment. https://www.denver7.com/news/local-news/in-your-community/boulder-county/boulder-municipal-airport-begins-offering-unleaded-fuel-in-push-for-cleaner-air #Aviation #Gasoline #Petrol #UnleadedGas