Gas prices in the U.S. are now at their lowest levels in four years. That's the best news ever if you're a gearhead, isn't it?

I've certainly been reaping the benefits of this down in Texas, where gas is generally super cheap to begin with. On Saturday I filled up my Mini Cooper S with premium in Austin for $2.98 a gallon. I can't remember the last time I paid less than $3 for premium. It's great.

And then on Sunday, after some extended hoonage in the 2015 Corvette Stingray press car I have at the moment, I think I paid $3.28 or premium. A little more expensive for some reason, but still not bad at all.

So how cheap is gas where you are right now?