The Wonder Of Positive Crankcase Ventilation

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Positive crankcase valves required starting in 1963 not only cleaned smog enormously and got rid of a major stench in cities, they got rid of the oil stains that used to be common on roads and made a safety hazard after light rain. And they actually extended the life of engines enormously by reducing sludge build up in engines. As emissions technology goes it really was a win win.

When you see old photos of highways, the thing that sticks out is the oil stains. But it's not oil leaks but blow by gasses that used to blow out of cars as they went down the road. Very noticeable on old concrete interstates but it used to be norm on any heavily trafficked road.

NPR

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Trump’s tariffs likely cost you hundreds of dollars. Will you get a refund? : NPR

American businesses and shoppers paid the vast majority of the billions of dollars collected for the emergency tariffs that the Supreme Court recently ruled illegal. Companies are now pushing to get their money back. But can shoppers expect their own refund? Probably not, according to Robert Shapiro, an international trade lawyer and partner at the law firm Thompson Coburn. "And if you do, it'll be pennies on the dollar," Shapiro said. The roughly $180 billion collected under the struck-down tariffs, according to an estimate by Goldman Sachs, was typically paid for directly by businesses, and indirectly by consumers through higher prices. Because those companies often paid the actual customs bill, any refund from the federal government would go to them.

Americans Are Leaving the U.S. in Record Numbers – WSJ

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Americans Are Leaving the U.S. in Record Numbers – WSJ

Last year the U.S. experienced something that hasn’t definitively occurred since the Great Depression: More people moved out than moved in. The Trump administration has hailed the exodus—negative net migration—as the fulfillment of its promise to ramp up deportations and restrict new visas. Beneath the stormy optics of that immigration crackdown, however, lies a less-noticed reversal: America’s own citizens are leaving in record numbers, replanting themselves and their families in lands they find more affordable and safe.?

Since the Eisenhower administration, the U.S. hasn’t collected comprehensive statistics on the number of citizens leaving. Yet data on residence permits, foreign home purchases, student enrollments and other metrics from more than 50 countries show that Americans are voting with their feet to an unprecedented degree. A millions-strong diaspora is studying, telecommuting and retiring overseas.