Depending on where you live in Idaho, you might find that prices at your local gas station are 30-40 cents higher per gallon than in neighboring Wyoming and Montana. So...what’s up with that? On this episode on Wanna Know Idaho , we’ll take a look behind the pump, to try and figure out some of the market forces at work in the Gem State. (Hint: think distance from oil fields and refineries, Idaho's explosive growth , extreme weather events, state taxes and geopolitics. Yep, it's complicated.) First, let’s drive southwest from Boise to meet this episode’s winning question asker. "As I travel through different states, everytime I came into Idaho I noticed that the gas prices and diesel prices went up," question asker John Lawson says. "Except on the western side of the state; but on the eastern side of the state they went up drastically from Montana or Wyoming into Idaho." "So, I wondered why." John bought his Chevy truck when the price of diesel was less than $3 per gallon. Now he pays