Quote:
Originally Posted by Sven7
Having a nice discussion over engines and such. Anybody want to chime in about the 870cc FIAT Twin Air Turbo?
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It's not easy to get near the brochure numbers with Fiat's Twin Air.
EM-er savefuel got it down to 3.72 L/100km - 63.2 mpg
Details: Fiat - 500 - TWINAIR - Spritmonitor.de
The next one is a lot less impressive @ 44.5 mpg:
Overview: Fiat - 500 - Spritmonitor.de
Unless you want to go really fast, it's likely overpowered.
If you want tight packaging, look at the new 1L VW 3 cyl. engine used in the VW up!
On CNG in the projected Blue Motion version, it's expected to deliver 75g CO2/km - 2.5kg CNG / 100km - that's lower than anything out there with an ICE.
CNG adds weight though and needs a lot of volume to get some decent range.
The Kia /Hyundai 1.1L diesel is newer and more efficient than the 1.2L VW TDi
In the Kia Rio - not exactly a small car - it's EU rated for 85 g CO2/km / 3.2 L/100km or 73.5mpg