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

Tesla Model S outsells luxury competition

As if Tesla needed any more good news this month, first-quarter sales are in and the electric Model S outsold the Mercedes S-class, Audi A8 and BMW 7-series, according to “CNN Money.” In the first three months of 2013, Tesla sold 4,750 sedans while Mercedes sold 3,077 of the S-class, BMW sold 2,338 of the 7-series and Audi sent 1,462 A8s out of the dealership. The Model S does have its sticker price going for it. The base model can be had for $69,900 -- possibly less with tax incentives -- while the cheapest S-class goes for $93,255, the 7-series for $74,525 and the A8 for $73,095.

Interior Motives magazine reboots

This evening saw the launch of Car Design News' all-new specialist interior design publication Interior Motives magazine.  Senior designers gathered together at Le Sip nightclub in Geneva for the annual Auto Design Night were among the first people in the world to get a look at the Spring 2009 relaunch edition of Interior Motives, which features a completely new treatment and a cutting-edge design format conceived to give readers an exclusive look behind the scenes of the most important interior designs unveiled during the last few months. Published every quarter, the new Interior Motives magazine features never-been-seen photos, sketches, renderings and breakdowns of the build process, offering unparalleled insight into the thinking behind these important new interiors and the people that created them - both at OEMs and the suppliers they collaborated with. The perfect accompaniment to Car Design News' up-to-the-minute news, interviews, essays, auto show coverage and detailed online design reviews, Interior Motives breaks new ground in the publishing sector, providing unparalleled depth and incisive quotes from the people and companies that are pushing interior design in new and exciting directions.

Mazda to use regen brakes to boost fuel economy 5 to 10 percent

Mazda is adding a fuel-saving technology that harnesses wasted brake energy in the redesigned Mazda6 sedan due early next year. The approach uses regenerative braking to convert kinetic energy into electricity that is stored in a capacitor. The car later taps that capacitor to power the fuel pump, lights, audio, air conditioning and transmission and engine control systems.