The price of a gallon of regular gasoline has fallen below $4 a gallon in the Portland area for the first time in 10 months.

Metro residents are paying $3.93 a gallon at the pump this week, according to AAA. Gas prices have been in a steep decline since October, when metro residents were paying $5.64 a gallon, a record high.

The relief comes as Oregonians embark on holiday road trips — and just ahead of…

The sale of gasoline-powered passenger vehicles will be prohibited by 2035. Learn more here.

PORTLAND, Ore. (AP) — Policymakers for the Oregon Department of Environmental Quality on Monday approved a rule that prohibits the sale of new gasoline-powered passenger vehicles in Oregon by 2035.

The effort comes as Oregon plans to cut climate-warming emissions by 50% by 2035 and by 90% by 2050, The Oregonian/OregonLive reported. The transportation sector accounts for nearly 40% of greenhouse gas emissions in Oregon.

The rule is based on vehicle emission standards California adopted in August. The standards require car manufacturers to sell a certain percentage of zero-emission vehicles — electric cars, plug-in hybrid electric vehicles and hydrogen fuel cell vehicles — as part…