I saw Twitter buzz building this morning over Fuelly, a site that records your gasoline purchases and gives you potentially useful info in return: your car's mileage and cost data like dollars you're spending per mile and your fuel economy over time. You can record your info on an iPhone, even. The site's special sauce is the social angle; you can follow people and compare your mileage to theirs. Coming soon to the service: A way to update your gas purchases over Twitter.
Believe it or not, there are already other Twitter-enabled gas purchase trackers out there. … Read more