Increased chance of lung cancer Elevated risk of bladder cancer Increased coughing labored breathing chest tightness chronic bronchitis reduced pulmonary function and wheezing The harmful health effects of diesel exhaust is well documented. According to OSHA, "Workers exposed to diesel exhaust face the risk of adverse health effects ranging from nausea to cancer and respiratory disease." According to actual human studies, long-term occupational exposure increases the chance of lung cancer on average 40%. Studies have also shown increased risks in bladder cancer. Links to articles on the Health Effects of diesel exhaust: http://www.mass.gov/dos/iaqdocs/iaq-371.htm http://www.oehha.ca.gov/public_info/facts/dieselfacts.html http://www.californialung.org/spotlight/cleanair03_research.html#sec3 http://www.csao.org/UploadFiles/Magazine/VOL13NO4/diesel.htm COMPLETELY ELIMINATE diesel exhaust in your firehouse or maintenance center with an expertly installed MagneGrip Diesel Venting System. Contact us today to find out more information or schedule an on-site evaluation. Texas-style customer service Experienced installers Complete end-to-end solutions Simple operation and maintenance Economical compared to competing systems More reliable equipment Unlike competing products, Magnegrip causes no damage to vehicles designed and powered by Digitakes Web Design