That certainly changes things somewhat, but I still think railroads would jump on it if it meant, say, 1/3rd less maintenance and half the fuel costs. The move

That certainly changes things somewhat, but I still think railroads would jump on it if it meant, say, 1/3rd less maintenance and half the fuel costs. The move to tier 4 emissions is/was a big deal. They’re starting to have to use DPFs and SCR.