Concerta is a new medication for ADHD. It is a central nervous system stimulant and contains methylphenidate, the same medication ingredient found in Ritalin. It comes in 18mg, 36mg and 54mg tablets and is intended to be taken once a day.oncerta is designed to be effective in the body for 12 hours. Ritalin has an effective period of from 4-6 hours. The longer-lasting Concerta is intended to eliminate the need to take medication during the school day.
Canada Gasoline prices, liter. 1  Gasoline prices: We show prices for Canada from 09-Jan-2017 to 17-Apr-2017. The average value for Canada during that period was 1.24 Canadian Dollar with a minimum of 1.20 Canadian Dollar on 30-Jan-2017 and a maximum of 1.33 Canadian Dollar on 17-Apr-2017. For comparison, the average price of gasoline in the world for this period is 1.62 Canadian Dollar .
Saudi Arabia Gasoline prices, liter. Saudi Arabia: We have calculated the price of gasoline using the 2012 benchmark results from the German Development Agency.Then, we updated the data with up-to-date currency values and information on the change in international petroleum prices.Based on these estimates, the price of gasoline is 0.16 U.S. Dollar. For comparison, the average price of gasoline in the world for this period is 1.07 U.S. Dollar.The chart below shows the price of gasoline in the country relative to other countries.For the countries indicated with a * we have up-to date information from reliable sources.audi Arabia Gasoline prices, liter. Saudi Arabia: We have calculated the price of gasoline using the 2012 benchmark results from the German Development Agency.