I think a lot of it is the nudging that the US does with tax incentives. Taxes are often used as a way to economically nudge society toward desired outcomes. T

I think a lot of it is the nudging that the US does with tax incentives. Taxes are often used as a way to economically nudge society toward desired outcomes. Think tax breaks for solar panels or even just getting insulation added to your home. There are thousands of this type of tax break available to nudge people to move toward the gov's goals.