Like, RL cars have them so why not in LFS?

if u dunno what i mean:
http://www.awoehrle.de/bmw/Cockpit2.jpg (the tihng below the rev meter

you mean a digital metre to tell you how much fuel you use per lap under the speedo, instead of pressing F12?

i guess that would be cool.. +1

but there are better ways for the Dev's to be spending there time on things that are slightly more important tho imo