New vehicles must average 40 mpg by 2026, up from 28 mpg
DETROIT (AP) — New vehicles sold in the U.S. will have to average at least 40 miles per gallon of gasoline in 2026, up from about 28 mpg, under new federal rules unveiled Friday that undo a rollback of standards  enacted under President Donald Trump. 
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### Instruction: New vehicles must average 40 mpg by 2026, up from 28 mpg

### Response: DETROIT (AP) — New vehicles sold in the U.S. will have to average at least 40 miles per gallon of gasoline in 2026, up from about 28 mpg, under new federal rules unveiled Friday that undo a rollback of standards  enacted under President Donald Trump. 