Woohoo! We have a project manager!
Yes, important things first:
eMPGauge...
EcoDisplay... FEedback... GameGauge...
EcoCrack... (I've always thought the SG is highly addictive)...
OCDgauge...
Hey I just googled ecometer. Has anyone seen this -
http://ecometer.com ??
I agree on all your major points, too. Minor suggestion: L /100 km instead of km/L.
My *duino shipped today.