This diagram shows the major cam events through one full cylinder cycle (two crank revolutions or 720 degrees), beginning at TDC firing. The exhaust lobe and valvetrain is closer to the front, and ...

The effectiveness of security camera systems is often compromised by lack of investment in upkeep and training.

After just one month of the school speed zone cameras being live, nearly 60,000 warnings were issued to speeding drivers. But ...