introduction According to The Bureau of Labor Statistics 1,625,290 workers in the United States are employed as heavy and tractor-trailer truck drivers . Commercial truck driving is among occupations with potential exposure to high levels of diesel exhaust (DE) or...
Introduction Diesel is one of the most common fuels used in the underground mining industry to power both support and production equipment. Though the use of diesel fuel has many advantages, it also has some disadvantages, especially with respect to underground...
