2015 Lexus Gs 350 Owner's Manual 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.

2013 Lexus LS 460 F-Sport revealed on Facebook

After teasing the silhouette of the 2013 Lexus LS 460 on Facebook last week, the company has revealed the entire car. It's actually the F-Sport version of the Lexus halo sedan, and it will wear the corporate, aggressive, angular front end seen on the GS model. The body looks more muscular than before, with a sportier set of wheels to go along with the new look.

2015 Chevrolet Tahoe PPV will look mean in your rearview mirror

We weren't particular surprised by Chevrolet's unveiling of a Tahoe Police Concept Car at SEMA, as it seemed a perfectly natural use for the truck, and we weren't surprised today when news broke that the Tahoe was going to be offered in law-enforcement spec to police agencies around the country. With stiff competition from the Dodge Durango and the tremendously popular Ford Explorer PPV, a cop-spec 2015 Chevrolet Tahoe, makes perfect sense. The Chevrolet Tahoe PPV will debut with the new fuel-efficient 5.3-liter direct-injection V8 engine, which produces 335 hp and 383 lb-ft of torque.