WHAT THE LAW DOINCongress, in plain words

House roll call 304, Sep 15, 2026

H.R. 2140: Diesel Emissions Reduction Act of 2025

Vote to pass it under the fast-track rule, which needs two-thirds.

The official question: On Motion to Suspend the Rules and Pass

Passed343 yes, 79 no, 0 present, 10 did not voteNeeded two-thirds

Official record from the House Clerk

How Iowa's representatives voted

Yes 343

No 79

Did not vote 10