Old Cadillac Or Chevy Horn Ring on 2040-parts.com

Fiat unveils new 900cc TwinAir two-cylinder engine

Fiats of old used to feature noisy two-cylinders with a fetish for overheating, yet the Italians are at it again, this week releasing details of their new TwinAir two-cylinder 900cc engines. You can see how it works in our video below. The new engines, the first in a series of two-cylinders by the Italians, are designed to trump all other downsizing efforts. Headline figures from the 83bhp twin are 23% more power than the regular 1.2 four-pot and the same as a 1.4 16v - yet with 30% less consumption.

One Lap of the Web: Porsche 959s, the Alfa Romeo 4C and the Mercedes-Benz A45 AMG vs. the BMW M135i

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- When initially produced to satisfy FIA homologation requirements in 1986, the Porsche 959 was the world's fastest street-legal production car.

Saab at the London motor show 2008

Saab 9-4X and 9-X star on the Saab stand at the London show – but we've seen both before By Gavin Green and CAR reader reporter asp Motor Shows 22 July 2008 23:28 A quiet show for Saab, but then this is a brand with which waiting has become synonymous. What’s new on Saab's London motor show stand? They’ve both been at other motor shows around the globe, but new-to-Britain are the 9-X and 9-4 concepts.