Full Size Chevy 1-barrel Carburetor Rebuild Kit, 6-cylinder, 1958-1962 on 2040-parts.com

Carbon-fiber parts and a software fix help create a lighter, faster Fiat

Chrysler Group's Mopar parts brand and Italian supplier Magneti Marelli have teamed up on a design exercise based on the 2012 Fiat 500 Abarth that shaved weight and added horsepower. The vehicle, called the Venom, has a number of carbon fiber components -- hood and side mirrors, for example -- that makes it about 200 pounds lighter than the 2,512-pound Abarth. The Venom uses software updates and additional exhaust components to boost the Abarth's standard 160-hp 1.4-liter turbocharged engine's output by as much as 25 percent.

New BMW M3 and M4 revealed for 2014

This is it, folks – this is your early petrolheaded Christmas present: BMW has released full details of the new BMW M3 Saloon and M4 Coupe. And we do mean full details. Output of 431 turbocharged horsepower is the headline, but really it’s the extent of the engineering overhaul carried out by BMW’s M division that really stuns the senses here.

Saab on brink of closing after GM rejects rescue plan

Saab Automobile filed for bankruptcy on Monday and is on the brink of shutting for good after former owner General Motors rejected a rescue plan. The move sets the scene for the end of Saab's struggle to survive after months of hastily drawn-up deals for a company that hasn't made a vehicle in months. The latest plan involved Chinese automaker Zhejiang Youngman Lotus Automobile, but this was vetoed by GM, still a key Saab supplier, over the weekend "After having received the recent position of GM on the contemplated transaction with Saab Automobile, Youngman informed Saab Automobile that the funding to continue and complete the reorganization of Saab Automobile could not be concluded," Saab's Dutch owner, Swedish Automobile, said in a statement.