No one wants to fail a smog check test. The pain of going in once is enough, let alone having to repeat the test twice, simply for a small mistake. However, the fear of failing is always there. What if your car does not pass?...

When most people hear the word “pollution,” they think of big city buses letting out clouds of black air, or third world countries where the sky is thick with dust. Few people understand that even normal cars can be the cause of a great deal...