I suggest you, as the first step, to start with a definition of an efficiency relation. Examples: efficiency=(total emitted energy)/(supply energy) efficiency=(emitted energy in a range of frequencies)/(supply energy) efficiency=(emitted energy in a range of frequencies and over a solid angle)/(supply energy)
Springdale, AR Lowest Regular Gas Prices Summary. There are 28 Regular gas price reports in the past 5 days in Springdale, AR. The average Regular gas price in Springdale, AR is $2.12, which is $0.29 lower than U.S. national average Regular gas price $2.41. The lowest Regular gas price is $2.05 of Murphy Express located at 7250 W Sunset Ave, Springdale, AR 72762.
drivers in the metro phoenix area buy about 4 million gallons of gas a day if the eia projections are correct and prices are on average 77 cents lower throughout 2015 than in 2014 those drivers will save more than $ 1 billion in the next yearhoenix area drivers could be looking at more than $ 1 billion in gasoline savings in the next year even if prices creep up as usual this spring from near the $ 2 mark where they sit today the average price of a gallon of regular gas in phoenix mesa region was $ 2 05 thursday according to aaa arizona