We then ranked these areas equally based on number of per capita fatal car accidents, amount of particle pollution and length of travel delays.

FORBES: ? AP Photo/Don Ryan

Cofounder Platz found that spray drying, a method of dehydration used to make powdered milk, produced a consistent particle, but the testing equipment was designed to make only a few grams per day.

FORBES: The Impossible Made Possible

Not only do commuters in Southern California inhale the worst year-round particle pollution levels, but Riverside drivers also face the highest rate of fatal auto accidents per capita, and Los Angeles drivers spend the most time sitting in traffic.

FORBES: Magazine Article