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The Arizona Department of Transportation says about $89 billion is needed for its 25-year plan.
When Congress expanded the Renewable Fuel Standard in 2007, it did so with three important policy objectives in mind.
How did we reach the point where the government is promoting a dreadful fuel that gets worse fuel economy than gasoline or diesel, drives up f…
A semi-truck leaking gasoline has closed Interstate 10 Grant Road west on-ramp, a state Department of Public Safety officer said Monday night.
Gasoline prices in Arizona are lower at the pumps for the fifth consecutive week.