will be around for some time. so if you want to save money, the best way to do it -- drive less. >> that's certainly the best way to help insulate your pocketbook from what is happening. >> reporter: alinda valenzuel savelf 50 she drives just a few miles fro her home to the slug lines. >> with the gas prices, i think soon people will start walking to the slug line. >> reporter: she says she saves nearly $90 a week by slugging. she is not the only one cashing in. >> reporter: you are driving at speed, you are not, it's not traffic where you would be burng more gas. >> reporter: there are slugging rules, you can't talk on cell phones and should say hello to and good-bye to drivers on the way in and out. overall not a bad deal to protect the wallet from the pricey pumps. >> it would freak me out to ride with a total stranger. >> right. but i hear that it's like the same drivers over and over, it becomes like a community of people that know each other. that's how it works. >> after a while you get to know bob from. got you. in case you are interested there are web sites for slugging,