The book is mainly written for the benefit of Environmental Engineering and Automobile Engineering students and Academicians. It covers mainly the comparison of Conventional Diesel fuel and Compressed Natural Gas fuel with their characteristics and Pollution Load calculated by using references of Environmental Protection Agency and Central Pollution Control Board of New Delhi-India. The Reference area of Delhi City's Mathura Road has considered and survey was conducted for Vehicular movement. Accordingly the pollution loads i.e, exhaust emissions of various categories of Vehicles were...