Best Answer: According to the mobil1 website your car manufacturer recommends 5W-30. It allows the oil pump to force a greater volume of oil to frictional surfaces during hot and cold starts. Low viscosity motor oil (5W-30) cools the inside of the crankcase quicker also.The oil pump turns easier, freeing-up horsepower and increasing fuel economy. It's energy conserving oil, 20W-50 is not.Take your car back to the mechanic and demand he drain the oil, change the filter and install the correct viscosity oil in the motor. Heavy-weight molasses oil in a street car spells impending death during cold starts.t allows the oil pump to force a greater volume of oil to frictional surfaces during hot and cold starts. Low viscosity motor oil (5W-30) cools the inside of the crankcase quicker also. The oil pump turns easier, freeing-up horsepower and increasing fuel economy. It's energy conserving oil, 20W-50 is not.
Germany and its allies in World War I were the first countries to adopt daylight saving time as a way to conserve energy for the war effort. Britain, other countries in Europe, Canada and the US followed suit.
US States and Territories Without DST. States and territories in the United States that do not observe daylight saving time, aside from most of Arizona, include: Hawaii, American Samoa, Guam, Puerto Rico, and the Virgin Islands.Some parts of Indiana did not observe daylight saving time in the past.rizona Time History. As a result of the Energy Policy Act of 2005, many parts of the United States observe Daylight Saving Time (DST) on the second Sunday in March until the first Sunday in November. The Act does not alter the rights of the states and territories that choose not to observe daylight saving time.