Reduceing fuel economy in truck vehicles

does it sound nice?

If you could save 15% of fuel in you truck it would be a lot for a year

and how about 30%


I have just tested fuel saving MPG caps, and i like it

if you do not belive me , se for yourself

http://combustion.myffi.biz


I have reduced fuel spending on my vehicle from 15l to 12 l not bad
for a start and still havn' t tryed out MPG eXtreme