I have worked on trucks for almost 40 years;just today we were talking about how the ceiling in the shop years ago was perpetually black from exhaust soot. Nowadays it stays relatively white. Exhaust emissions are so much less:we used to start a truck and have to open the doors to see/breathe. The engines stay cleaner and hardly leak any oil;fuel crossover lines between tanks under the truck are gone,to prevent spillage from catching and rupturing.Engines don't burn oil anymore(if they did the dpf filters would clog).All this is due to epa laws. I believe manufacturers would try to prove to the epa the emissions equipment was unnecessary if it truely was unneeded.It costs more to design and make,but it has cleaned up the air and roads. Also, retreads are better than they used to be;casings are better inspected, better methods: a lot less peeled recaps. I believe coal powered plants use similar technology to reduce their emissions as diesels,injecting a catalyst to react with nitrous oxides which makes nitrogen and water from the exhaust. It s a cleaner but more complicated and expensive world.Mark
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Today's Featured Article - The Rescue of a Fordson F - by Anthony West. Introduction I live in the UK and have for many years restored Fordson tractors (in the main model N's). I have also restored and shown model F's, E 27N's, Field Marshall Series 2, David Brown Cropmasters and the old rey Fergeson T 20. At one time I had seven restored examples which were shown and used in ploughing matches. As most restorers, I have a number of war stories I can relate on a range of topics that may help other like minded and interested people. Perhaps my first p
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