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At a time when the public attitude toward the use of taxpayer money for building stadiums has dramatically shifted away from the past practice of coughing up money from the state and local coffers, a change in the federal budget proposed by President Obama could eliminate another device for subsidizing sports arenas.

Via USA Today, the currently-proposed budget would, if approved by Congress, prevent the use of taxpayer-financed, tax-free bonds for stadium construction.

Tax-free bonds have been used to finance multiple NFL stadiums, including for example the new Vikings stadium, which is roughly halfway completed. Wiping out that tool would shift the focus toward private financing of NFL venues, like the competing projects in L.A., planned for Inglewood or Carson.

It also will make it harder for viable alternatives to be developed in cities currently hoping to keep the Rams, Chargers, and Raiders: St. Louis, San Diego, and Oakland, respectively.