... good quality and low price. A diesel fuel-efficient vehicles Product Description:diesel Fuel Saver is the utility of new high-tech ... , so that the full combustion of fuel within a short time, so as to achieve savings in fuel, remove coke, reducing harmful gas ... six characteristics:1, well-designed, well made2, fuel-saving results are obvious: with pressurized fuel-efficient vehicles, the rate of 8% -15 ...