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To: Robert Meany who wrote (9213)	4/21/1998 1:04:00 PM
From: Charles A. King	Read Replies (4) \| Respond to of 13091

Well, Bob, it seems to be news to somebody at the EPA. I was all ready to post this and then SI went down for a while. Full story CORRECTED - EPA draft report finds cancer risks from diesel 03:18 p.m Apr 09, 1998 Eastern By Vicki Allen WASHINGTON, April 9 (Reuters) - Exhaust fumes from diesel fuel -- regarded as a more environmentally benign alternative to gasoline -- may pose a significant cancer risk, according to a draft government report released on Thursday. The Environmental Protection Agency says exposure to even low levels of diesel exhaust is likely to pose a risk of lung cancer and other respiratory diseases. ''...for carcinogenic hazard and risk of cancer over a lifetime, EPA is recommending that exposure (to diesel exhaust) be viewed as likely to pose a risk at low levels, as well as high levels,'' the Environmental Protection Agency draft report said. ''As the exposure instances increase, changing from episodic to more continuous and increasing from weeks to months to years, it is clear that too much exposure increases the likelihood of non-cancer respiratory system damage or risk of lung cancer...'' the EPA draft said. The draft stressed that information was extremely sketchy on effects of diesel fumes on people. But from animal studies and other work the report offered what it termed ''crude risk estimations'' for cancer, and cautioned that effects even from low exposure were expected ''given our knowledge about the (diesel exhaust) mixture components.'' It estimated risks of getting cancer from diesel exhaust -- even at concentrations deemed too low to cause other respiratory problems -- ranged from 1-in-20,000 up to 1-in-100, and said that the true risk could be greater. Although diesel fumes are viewed as a distasteful result of truck- and bus-clogged city streets, manufacturers are looking at using more of the higher-mileage diesel power in cars to reduce emissions of carbon gases that contribute to global warming. But compared with gasoline, diesel produces 60 to 100 times the amount of tiny air particles that may penetrate deep into lung tissue, carrying toxins and cancer-causing agents, Frank O'Donnell, executive director of the Clean Air Trust health advocacy group, said. Citing such tiny soot particles as a significant threat to the health of millions of Americans, the EPA last year clamped tighter standards on allowable air particle concentrations. ''At the very least, this study raises a huge warning about a headlong rush into increased diesel production. It also underlines the fact that we need to reduce -- not increase -- our exposure to these dangerous fumes,'' O'Donnell said. But the EPA in a statement said its standards for buses, trucks and other diesel-powered vehicles have cut emissions from new models by 90 percent compared with earlier models. ''Diesel engines are more fuel efficient today than ever, helping the nation reduce the pollution that contributes to global warming,'' EPA Acting Assistant Administrator Richard Wilson said. ''EPA is working to further control diesel emissions to better protect public health and the environment, just as we have worked to control emissions from regular gasoline-powered cars,'' Wilson said. The EPA also stressed that the findings were preliminary, still subject to review by an outside panel of scientists in May and months away from the final form. ^REUTERS@ Copyright 1998 Reuters Limited. All rights reserved. Republication and redistribution of Reuters content is expressly prohibited without the prior written consent of Reuters. Reuters shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon. OK, so the EPA is just discovering that breathing diesel exhaust all your life may be harmful. Somehow I detect another EPA scare coming on. I think they are setting up the public for huge air filters required for the output of diesels. By using clean fuel and maintaining the injectors, changing the filters might be done less often. Life keeps getting more complicated. When I was a kid, engines were a lot simpler and we loved the smell of gasoline in the morning. Charles