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Top Republicans in California appear to be shifting resources away from an issue they hoped would lure voters to the polls in November: repealing the gas tax.

After contributing $1.7 million to put a repeal initiative on the November ballot, Republican congressional leaders and GOP gubernatorial candidate John Cox are now conspicuously absent from the list of donors spending money to help convince Californians to pass the measure.

Construction firms, organized labor and Democrats have raised more than $30 million to defeat Proposition 6, while the main campaign committee in favor of the measure had just $83,291 in the bank as of Sept. 22, according to campaign finance statements made public Thursday.

The opposition campaign includes the California Chamber of Commerce, the League of California Cities and dozens of deep-pocketed construction firms and labor unions that would benefit from the tax’s billions targeted to road and bridge repair projects.

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