U.S. President Joe Biden's allies are looking for bold executive initiatives on combating climate change.

And as Oregon’s Sen. Jeff Merkley put it to the Washington Post, the impasse in the Senate created by Sen. Joe Manchin’s blocking of his environmental agenda "unchains the president from waiting for Congress to act.”

But here’s one bold move that Biden is unlikely to make, despite the real dent it would put in the emission of heat-trapping carbon dioxide that is causing such havoc with the weather: Stop the fall in gasoline prices.