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

Mazda previews the next 2 with the Hazumi concept

Mazda's Hazumi concept looks like a ferocious little rodent, an aggressive lil' gumball of a mini car that's set to replace the Mazda2. Imagine the drooping snout of the Mazda3 (not a "Droopsnoot," mind you) on a car far shorter than that. Imagine the same character lines, the same upward kink over the rear wheel, the same haunches as the 3 and the 6.

Microsoft demos Apple CarPlay rival

The battle between Microsoft and Apple is being fought on the desktop, on the smartphone and now in the car. At its Build 2014 developer conference, held earlier this month in San Francisco, Microsoft demoed an early version of Windows In The Car, its response to Apple's CarPlay system we saw at the Geneva Show back in March. As you'd expect, In The Car's design follows the look of Microsoft's latest Windows and Window Phone operating system pretty closely.

2014 Porsche Cayman gets a performance-testing iPhone app

To promote the new 2014 Cayman, Porsche has cooked up an iPhone app called “Cayman Code of the Curve.” You're probably already rolling your eyes at the prospect of another automaker app that is little more than a downloadable advertisement, but this seems to be something different -- the app is designed to record your driving performance in real-time and then share results with friends. Porsche enthusiast site flatsixes.com has an exclusive first look at the app, which is still in development but is reported to be coming “soon.” Based on preliminary screenshots provided by Porsche, the app instructs users to set up a variety of courses -- cone slalom, autocross and reaction-time challenge courses are shown -- then uses the iPhone's internal accelerometer and GPS receiver to track and record your performance. You'll also be able to use the app's “record your curve” function to share favorite drives with friends on Facebook.