Ford's Model T, which went 25 miles on a gallon of gasoline, was more fuel efficient than the current Ford Explorer sport-utility vehicle -- which manages just 16 miles per gallon.

America's families spend more than 19 cents out of every dollar earned on transportation, an expense second only to housing, and greater than food and health care combined.

Police officers earn $200 to $300 in overtime pay to appear in court on their day off. However, officers are paid nothing to write up their version of events when you request a trial by written declaration.

Most Smog:

1. Los Angeles, California

2. Visalia-Porterville, California

3. Bakersfield, California

4. Fresno, California

5. Houston, Texas

Revenue from automobiles is almost $700 billion annually. So where does it go?

For dealers, selling service and parts is often more profitable than selling new cars. In 2000, about 53% of dealership profits came from service and parts sales, according to the National Automobile Dealers Association. Last year, dealers sold a...

There is a death caused by a motor vehicle crash every 12 minutes, there is a disabling injury every 14 seconds.

Traffic accidents take a half million lives worldwide each year and injure another 15 million people around the world each year, and the numbers are growing, says the Red Cross.

The nation's transportation infrastructure has a value of $1.75 trillion.

The economic impact of crashes has reached $230.6 billion a year, or an average of $820 for every person living in the United States.