Winner of the 1999 "International Engine of the Year" award in the "Best Fuel Economy / Green Engine" and "1.0-1.4 liter" categories:
Fuel tank capacity: 5.5 US gallons (21 liters), yielding a theoretical range of some 436 miles.
The all-time most fuel economic and carbon-friendly production car according to spritmonitor.de, based on real-life data submitted by everyday drivers: http://translate.google.com/translate?u=http://www.spritmonitor.de/de/die_sparsamsten_autos.html&sl=de&tl=en and http://translate.google.com/translate?u=http://www.spritmonitor.de/de/co2_emission_modelle.html&sl=de&tl=en
* official ratings are _not_ EPA, but NEDC: http://en.wikipedia.org/wiki/New_European_Driving_Cycle
* diesel price over here has hovered around 1.25 EUR/liter for the last few years, which equates very roughly to 6 USD/gallon; I won't be bothering to convert the exact cost of each fill between the 2 currencies
None, apart from inflating all 4 tyres (Bridgestone Ecopia B381 145/80 R14) to 44 PSI (maximum allowed as mentioned on the sidewall), whereas factory recommendation is 36 PSI front / 33 PSI rear.
Mount the original, aerodynamically friendly windshield wiper that was custom made for this type of Audi A2, replacing the current generic wiper that my latest service put on
Block heater; those winter trips are definitely hard on fuel (and your ears).
Last but not least: teach my wife how to eco-drive and pulse & glide/burn & coast. Almost all sub-70 MPG entries here are her driving