If Navistar's engine works — the company recently submitted test results for the latest version to the Environmental Protection Agency for certification — it could be the simplest, most elegant solution to the vexing engineering problem of how to reduce smog created by diesel truck exhaust.
LIVE in a crowded South Asian city and a host of problems—smog, contagious disease, corruption may plague you.
The immediate effects of smog can include problems with breathing, wheezing, coughing and watery eyes.
The start of play was delayed because of the high levels of smog, and poor visibility was a problem for most of the day.
In addition, ethanol evaporates more easily than gasoline, and so in the hot summer months this can create its own pollution problems of ozone, or smog.
"Being able to see the cloud of smog enveloping the city in March made people aware how serious the problem really is," Najdovski said.
The risks of smog and other kinds of air pollution go far beyond breathing problems, however.
Increasing levels of smog nationwide in the past decade have been linked to numerous respiratory problems, including pneumonia and asthma, the group said.
Mexico City's air quality problem begins with its location in a high-altitude valley surrounded by mountains that encourages the production of smog, and then traps it.
