Tax policy in general in the U.S. has a real impact on what gets saved and what gets torn down. You can think about things like local property tax abatements, which have worked in many communities, and about trying to remove those barriers for rehabilitation that communities have set up inadvertently, many times looking at outdated planning models from the 1960s and 1970s.
On October 3rd, 2017. See this statement in context.