Why Is There Smog in Big Cities?

Answer Smog is primarily caused by the use and burning of fossil fuels such as oil and coal. It is especially prevalent in large cities because of population density. The more people there are in a given ... Read More »

Top Q&A For: Why Is There Smog in Big Cities

What is the difference between a smog check&a smog test?

In California, the difference between a Smog Test and a Smog Check is where the inspection may occur. Drivers receiving Department of Motor Vehicle (DMV) paperwork should pay particular attention t... Read More »

Vehicle smog CA to another state, smog legal?

Can't speak for all states but in most if the car is classified as an antique (25 years old or more) it is exempt from smog requirements. California is one of the few exceptions. Not sure what othe... Read More »

Are there smog regulations in Arizona?

There are smog regulations in the state of Arizona. These regulations apply to vehicles registered in the metro Phoenix and Tucson areas manufactured after 1967. Ninety days prior to the registrati... Read More »

Is there a tv show set in the twin cities?

There was, yes. The very popular Mary Tyler Moore show.