One of the Environmental Protection Agency’s (EPA) longest and most successful air pollution standards is based on a taxpayer-funded study plagued by “data fabrication and falsification,” according to a veteran toxicologist. Toxicologist Albert Donnay says he’s found evidence a 1989 study commissioned by EPA on the health effects of carbon monoxide, which, if true, could call into question 25 years of regulations and billions of dollars on catalytic converters for automobiles. “They claimed to find an effect when there wasn’t one,” Donnay told The Daily Caller News Foundation. “They even fabricated the methods they used to get their results.” “They...