You now get to pay for the EPA to fit Mexican trucks with catalytic converters to save the environment as they cross the border unchecked... Meanwhile, our truckers have to jump through more flaming hoops to drive than a tiger at a circus.
But why not? We already allow illegal immigrants come across the Mexican border unchecked and pay for all of their needs.
It seems to me that if the EPA were really worried about protecting the environment from Mexican 'workers' they would do something about this: