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2009 Aston Martin V8 Vantage Coupe, the AutoWeek Drivers Log

EDITORIAL ASSISTANT JONATHAN WONG: There are some cars that look good, and then there are a few cars that look downright gorgeous. Astons fall into the latter category (except for the DB9 Volante). This Vantage coupe with its DBR9 racing green paint job is hard to miss--not for being an over-the-top, outlandish-styled car like a Lambo, but because it's just so beautiful.

Mercedes-Benz reveals SLS E-Cell performance data

Mercedes-Benz has lifted the veil of secrecy on the plug-in-electric propulsion system of its upcoming SLS E-Cell, first revealed in concept form at the 2009 Frankfurt auto show. Set to go into limited production in early 2013, the zero-emission version of the German carmaker's signature gullwing coupe is set to rival a raft of new high-priced electric or hybrid supercars due out in the not-too-distant future, including the Audi E-tron, the BMW i8, the Jaguar C-X75 and the Porsche 918. The car is undergoing development at Mercedes-Benz's performance-car AMG unit and its British-based sister company, AMG High Performance Powertrains--the company behind Mercedes' latest 2.4-liter V6 Formula One race engine.

Chevrolet is bringing CNG power to the Silverado HD

Chevrolet is taking CNG-powered vehicles seriously, with so many of their trucks being used in commercial fleets, so it was perhaps no surprise that we'd see a version of the 2015 Silverado HD that can be run either on gasoline or compressed natural gas before long. Chevrolet brought the 2015 Silverado 2500 HD CNG to the Chicago Auto Show, to let prospective buyers as well as the media to learn about at the savings that could be realized with this environmentally friendly setup. The HD CNG truck will offer bi-fuel capability coupled with its 6.0-liter V8 engine that's been modified with hardened valves and valve seats to run on compressed natural gas.