As you can see, a regular tune up is important to your car's performance. The process should involve replacing the air filter, replacing or cleaning the spark plugs, and replacing the distributor cap and rotor. It can also include replacement of the spark plug wires, fuel filter, PCV valve, and oxygen sensor.
Beginning in 2007, daylight time starts on the second Sunday in March and ends on the first Sunday in November. For a very readable account of the history of standard and daylight time in the U.S., see. Ian R. Bartky and Elizabeth Harrison: Standard and Daylight-saving Time, , May 1979 (Vol. 240, No. 5), pp. 46-53.
Daylight Savings Time in the United States of America starts on the second Sunday in March of each year and ends the first Sunday in November of each year. When it goes into effect each spring, clocks are moved forward by one hour at 2:00 AM standard time, and the time becomes 3:00 AM daylight savings time (DST).