The advanced lubricity (slipperiness) of AMSOIL synthetic lubricants has been proven to increase fuel economy by 2-5%. AMSOIL reduces friction and allows your engine to use its heat-energy more efficiently.
How Much Is a 5% Savings in Fuel? The average person drives slightly more than 10,000 miles each year. A 5% savings in fuel gives you more than $18 in savings a year (assuming you get 30 mpg, at $1.10 per gallon)