I have two questions. 1. What green car rating does a 2006 scion Xa have? It wasn’t listed on the top 100

_scoot questioned:

My second quesiton is, why are biodiesel vehicles rated lower on the green car extent than hybrid vehicles subdue using fossil fuel gasoline?

Will the Scion tC ever be fuel efficient?

kpslover007 questioned:

I found out that the Implant tc Isn’t very fuel efficient. Will the ‘08 or ‘09 tC meet fuel efficiency principles? For me at smallest amount 35 MPG.

What modifications help fuel economy?

yablocksthetruth questioned:

I just bought a 2010 Implant xB. I would be pleased to do mods that boost horsepower if I can justify the cost with increased fuel efficiency as well. What mods are valuable from a fiscal implication?

How can I improve my fuel efficiency (MPG) on my 2009 Scion XB?

Kaylon S questioned:

I recently bought a 2009 Implant XB, which gets clad gas milage as is. I am wondering if here are any safe and reversable modifications I can do to incream my fuel efficiency. I know that a lot of exhuast systems make celebrated that they boost MPG but I am skeptical of this as I know increased normal often leads to lower MPG.