Fiat 500 Multiair concept - Click image for gallery
Ford 1.6-liter EcoBoost four cylinder - Click above for high-res image gallery
Cutting an engine's cylinder count seems like an easy way to increase fuel efficiency and reduce vehicle emissions. Smaller engines also weigh less, and all automakers are eager to lower the mass of their new vehicles. To that end, Fiat is working on a new line of 900cc engines that feature just two cylinders as opposed to the current, more common choice of four. Rumors indicate that the engine would be available in four separate states of tune and would range from 65-105 horsepower. High-perfor
Volkswagen appears to be developing a new 3L car for the European market. The 3L designation refers to the fuel consumption of 3L/100 km (78.4mpg) or less. Between 1999 and 2005 VW sold a version of the Lupo called the Lupo 3L which was had the fuel consumption rating and had a diesel engine, but cost €15,000 which is rather high for a minimalist small car. Because of the high price they only sold 30,000 units over that six year span.