Facing John Adams in the Republican primary, a former ally and friend from his House days, Huffman won the nomination with nearly 64% of the vote.

Huffman has introduced measures that would increase from 70 to 75 the maximum age at which an attorney could seek election as a judge.

Ultimately, the legislation passed the Ohio House of Representatives 70–17 and with passage by the Senate, will go to the ballot in November 2011.

[5] He has also sought to abolish a Bureau of Motor Vehicles program which randomly sends out about 5,400 letters each week requiring Ohio drivers send in proof of insurance, stating "chronically uninsured," people who can't afford insurance or have multiple license suspensions, find ways around the verification program because they need to drive to work.

5 which looks to limit collective bargaining, Huffman says that the bill controls government, and brings fairness and transparency to the public.

[7] Huffman is a supporter of a provision that is set to allow drilling in state parks, saying that it could be an asset to helping to reinvigorate Ohio's lackluster economy if it takes off.

[8] In 2021, he voted for legislation that would make it harder to build wind and solar energy projects in Ohio.