Fuel saver usd for Car ,Bus,Truck,Boat,etc

Feature
a.saves gas 5%-16%,reduces Harmful Exhust Emissions.
b.Hand setting,not destroy structure of car
c.Exteds engine life by cleaning existing carbon/varnish deposits.
d.Eases engine jar and cleans carburetor carburetor
e.let the fule burning thoroughly.

Please contact me to get more details.
Hyyongyuan003At yahoo.com.cn
Miss Candy Liu
Fuel saver usd for Car ,Bus,Truck,Boat,etc