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Rich Pedroncelli, File, Associated Press
FILE - In this Friday March 7, 2014 file photo, Eric Henry puts gasoline in his car in Sacramento, Calif. Despite a bipartisan push, the Senate's Democratic leaders have so far derailed efforts to halt an increase in the price of gasoline and other fuels that will hit consumers in January 2015.

SACRAMENTO, Calif. — Attempts to halt an increase in the price of gasoline expected to hit consumers in January appear to be dead with just a week to go in the legislative session.

Lawmakers in both parties sought to delay or exempt consumer fuels from California's 2006 greenhouse gas emissions law.

A nonpartisan analysis says prices are likely to increase by 13 cents to 20 cents per gallon by 2020.

Senate President Pro Tem Darrell Steinberg says he will block a bill from Democrats that would delay adding consumer fuels to the state's cap-and-trade market until 2018.

A similar effort from Republicans has stalled in committee.

Steinberg says in a letter released to The Associated Press that higher costs are a part of reducing the use of heat-trapping fossil fuels.