One aspect that isn't discussed much is that the heavier vehicles do put appreciably greater wear on tires. Since as much as 70% of microplastics in the environ

One aspect that isn't discussed much is that the heavier vehicles do put appreciably greater wear on tires. Since as much as 70% of microplastics in the environment are from tire wear any increase may have a pretty alarming impact on the environment. There is no car based solution for the environment.