Edit: Source: https://www.nytimes.com/interactive/2023/08/18/us/politics/republican-candidates-2024-climate.html
Archive: https://web.archive.org/web/20230819000519/https://www.nytimes.com/interactive/2023/08/18/us/politics/republican-candidates-2024-climate.html
It's likely because the fixes all would impinge on the rights of his constituents--and by that I mean, the rights of his major corporate donors to make money.