Click above for more images of the iPhone 3G's GPS capabilities

Alright, so perhaps that iPhone 3G's GPS system leaves a little to be desired for the hardcore automotive crowd, but that doesn't mean that your brand new purchase can't prove useful to you for more than its normal mobile phone abilities. Since you're reading this article here on AutoblogGreen, we are going to go ahead and assume that you are interested in saving gas, either for the planet's sake or at least for the sake of your wallet. Take a look at these five programs which were designed to help owners of a brand spankin' new iPhone save a few bucks on gas. From fuel mileage tracking to finding the best gas prices in your area, developers have jumped on the ability to develop new applications for die-hard Apple users like nobody's business. Best of all... they range in price from free to just shy of $2 bucks.

[Source: Earth2Tech]

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