1.625 Dual Valve Springs - (16) on 2040-parts.com

Five least-green vehicles

We are a generation seemingly obsessed with the environment, eager to cover our carbon footprints in any way possible--or at least give off a green vibe visible to our neighbors). And though many car buyers are jumping on the hybrid and electric bandwagons, the majority of us still crave brute-power cars and trucks. While being environmentally friendly is nice, there comes a time when you just have to be mean -- eco-mean, in this case.

Hottest 911 ever!

A few weeks back, we revealed spy shots of the next-gen Porsche 911 GT2. But now the Web is awash in reports from a Porsche dealer meeting in Germany where the company revealed the even-hotter GT2 RS. Reportedly pushing 620 hp from its turbocharged boxer-six engine, the track- and street-legal GT2 RS is said to be 200 pounds lighter than the GT2.

Hyundai i30 (2011) at Frankfurt motor show

Hyundai is showing off the new i30 hatchback at the 2011 Frankfurt motor show. It's the first of the Hyundai-Kia twins - the new Kia Ceed lands in spring 2012. The i30 is Hyundai's C-segment Focus rival, and its replacement marks the start of a challenging new era for Hyundai; the i30 was the first car to wear the 'i' prefix, and its subsequent replacement means the company has come full circle.