Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Students experiment with interactive window glass for GM

General Motors is thinking long term for its back-seat entertainment. It worked with students from the Future Lab at Bezalel Academy of Art and Design in Israel to develop apps that run on a car's rear side windows. The project, called Windows of Opportunity, was inspired by studies that say passengers often feel disconnected from their environments.

First look: 2014 BMW M3 and M4

The BMW M3 is back, faster and more powerful than ever before -- but only as a four-door sedan. For its iconic 3-series-based performance model, BMW will dispense with a 26-year tradition of high-revving naturally aspirated engines in lieu of turbocharged six-cylinder power. Revealed here in production-car guise for the first time, the new 425-hp M3 sedan will be joined at the outset by its sister model, the M4 -- a mechanically identical but stylistically sleeker two-door coupe previewed in lightly veiled concept-car form at the Pebble Beach concours in California last August.

Mustang men team up for charity auction car

Jack Roush and Carroll Shelby are two men who have been linked with the Ford Mustang for decades. Amazingly, they have never worked together on one--until now. Roush and Shelby teamed up to create a unique 2011 Ford Mustang, named the SR-71, which will be auctioned to raise funds for charity.