A lot of pollution has to do with local ICE vehicles lack cat converters or usage substandard cat converters. Same with fossil power plants, most will not use s

A lot of pollution has to do with local ICE vehicles lack cat converters or usage substandard cat converters. Same with fossil power plants, most will not use scrubbers. You’d probably have much faster results mandating them and retrofitting cars. Changeover to EV will take decades.