A panel set up by Missouri lawmakers wants Missouri voters to raise the state’s gasoline tax by a dime per gallon to help maintain one of the nation’s most extensive highway networks.

A four-month study designed to measure Coloradans’ appetite for overhauling how the state pays for roads offers a glimpse of the challenges that await as changing technology erodes the clout of gasoline taxes.

With fossil fuel usage trending downward, Washington state officials are rethinking the taxation methods the state applies to road users.

Organizers of a campaign to qualify a ballot measure that would repeal the state’s gas tax and new vehicle fees unveiled their growing coalition Oct. 18 at the state Republican Party headquarters, where GOP gubernatorial candidate John Cox said he will make a “substantial” donation to the effort.

While Louisiana road and bridge needs poured in to a key legislative committee Oct. 12, prospects for any sweeping changes are bleak.

Just weeks before it takes effect, California’s new gas tax increase is again under attack, with Republicans mounting a growing campaign against the higher levies.

A proposal for a second ballot measure to repeal a new 12-cent-per-gallon gas tax was filed with the state Sept. 14, with backers boasting they have 200,000 Californians pledged to sign the petition to qualify the initiative for the November 2018 election.

Washington is seeking about 2,000 drivers to test a new way to pay to maintain the state’s roadways.

The sponsor of a failed bill to raise Louisiana’s gas tax said July 31 the state should consider other options to improve roads and bridges, including the already-stressed general fund.

Motorists don’t like to pay more at the pump, and lawmakers worry that if they raise taxes on gasoline, they’ll be voted out of office.