Green living-What do we consider a GREEN gas station

Yesterday, I pull into a gas station across the street from a Chevron station and notice the price per gallon is 30 cents less than Chevron. I noticed both stations had big gas tankers, the one at Chevron, of course, had the logo of Chevron. The truck at my station had no logo, probably because the station name was off brand, called Falcon.

http://www.hartofgreen.com/green-news/what-do-we-consider-a-green-gas-station-by-jerry-hart