Porsche 911 GT3 RS 4.0 arrives

Porsche 911 GT3 RS 4.0 - less weight, more power Yes, we have more than enough on the Porsche 911 GT3 RS 4.0 to know it’s for real, but Porsche hasn’t yet chosen to make it all official. But it probably will later today. The 911 GT3 RS 4.0 has been rumoured for a while as the last swansong for the current generation of 911s, and the ultimate road-going GT3 RS to boot.

$5 billion competition on to replace Humvee

Competition is heating up to win a contract for a vehicle that will replace nearly 18,500 aging military Humvees for the U.S. Army and Marine Corps starting in 2015. Six proposals are in play, with little time left before federal contracting officials decide on development of the $5 billion-plus program.

Mazda refines lineup with SkyActiv technology

It turns out Mazda isn't simply shooting for the sky. Rather, the protagonists of zoom-zoom driving dynamics are taking an active approach to the brand's DNA: Put it all together, and it's called “SkyActiv.” Mazda is billing the suite of technologies as the pillars of its way forward. Much of these features--which enhance future products in nearly all areas including engine, transmission and chassis--have already been revealed.