Take a step outside and listen to what you hear, take a deep breath and take in the smells around you. If you are like some of the rural population in the United States, that is a refreshing moment. However if you live in an urban or city with a high population, it’s not refreshing. You will more likely hear the din of traffic, harsh sounds of diesel city buses, their engines clamoring and with the stench of diesel exhaust. In extreme cities such as Mexico City, and multiple cities in China and India this is more than just an annoyance, it’s a major heath issue.
Cheap fuel of the...Read More