What are the possible effects of a diesel export ban on the economy and the environment?

President Trump said during a Tuesday press interview alongside Ukrainian President Volodymyr Zelensky that he has also called for a ban on U.S. diesel exports, joining other conservative voices who back the policy. Why it matters: Trump's endorsement marks a shift for an administration that has resisted calls to restrict fuel exports, as record diesel prices squeeze farmers and truckers and fuel Republican concerns ahead of the midterms. Economists and energy analysts the move could lower diesel prices for Americans in the short term but would likely raise prices globally including eventually in the U.S. Thought bubble, via Axios' Ben Geman: The politics of $6.50 diesel are quickly overwhelming a broad consensus among oil market analysts that an export ban could ultimately backfire. Zoom in: When asked if he supported a diesel ban endorsed by other Republicans, Trump said that he had called for that too. "I've said let's not send out the diesel. We make a lot of diesel, and it could have a little bit of an effect on regular automobile gasoline because when you do that, you know it's a sort of a flow, it's a balance. But no, I've called for it. I've called for it within my people."Representatives for the White House did not immediately respond to Axios' request for comment on how the administration would implement such a ban. Catch up quick: Sen. Chuck Grassley (R-Iowa) recently proposed blocking diesel exports, hoping to lower prices domestically, and other farm-state Republicans quickly signed on too. Rep. Ashley Hinson (R-Iowa), who faces a competitive re-election race, called for a diesel ban Monday while slamming the war in Iran.Senate Majority Leader John Thune (R-S.D.) said last week that he was "open" to an export ban. Zoom in: A ban would keep diesel that otherwise would be exported in the U.S., potentially increasing domestic supplies and lowering prices in the short term. But analysts warn it could drive up global diesel prices and eventually feed higher