rick unger raises a good question. we have to get. it's the one think americans are saving money on, their utility bills. but ahead of earth day tomorrow is a brand-new epa regulation about to change all that? you don't want to miss this, your pocketbook is at stake, we report you decide. [ scott ] i grew up playing with little toy trains and now i build them. i am a bigger is better kind of guy. i absolutely love building locomotives. i knew i wanted to design locomotives from when i was very young. [ jahmil ] from the outside it looks like such a simple device. when you actually get down into the bare bones of it, there's so much technology that's submerg. [ rob ] my welds are a signature, i could tell my welds apart from anybody's. you lay down that nice bead and you look at it, i love it. they don't go together by themselve there are a lot of little parts, and everyone has their job. [ scott ] i'd love to see it out there on the open tracks. and when i e it, i'm gonna know that i helped build that thing. [ train whistle blows ] he