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Context
What happened: The U.S. Chamber of Commerce, Business Roundtable, API, and dozens of other groups sent Trump a joint letter Wednesday opposing a diesel export ban.
Why it matters: The business groups warned that a diesel export ban would backfire on prices, according to the letter.
What changed
The U.S. Chamber of Commerce, Business Roundtable, API, and dozens of other groups sent Trump a joint letter Wednesday opposing a diesel export ban.