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

Merc to revive straight six, plus 4cyl and smaller V8s

Mercedes has just signed off a new engine family which will see most full-sized Mercs in future run four-cylinders, downsized V8s and… straight sixes. A friendly Mercedes engineer recently met CAR to disclose the engine plans for future models, including the surprise disclosure that Merc plans to switch to straight sixes, like its rivals over in Munich.  It's fair to say I almost choked on my breakfast croissant when I found out the details of the next MB engine generation which has just been signed off for release in 2015. Mercedes' future four-cylinder engines Again, there will be a family of new low-cost fours, and the big-bore V8s will be replaced by a series of downsized turbocharged 4.0-litre units.

Design Contest: NDA wins 2009 LA Design Challenge

A future where environmentalists and car enthusiasts - not to mention sober-minded adults and thrill-seeking young people - all coexist in harmony just might be possible with Nissan's V2G concept vehicle. The hypothetical design study, which runs on a futuristic grid of electric roadways but can also be customized for 'off grid' joy riding, won the 2009 LA Auto Show Design Challenge for the way it embodies this year's 'Youthmobile 2030' theme. The focus was to create vehicles that would appeal to a generation of young drivers raised on cell phones and social media.

Infiniti: M can be about mpg or zip

Infiniti will face a new marketing challenge when it introduces its first hybrid vehicle next spring, the 2012 M35h sedan. Since the import brand has never sold a hybrid, officials will be attempting to learn which marketing chord resonates more with its customers: performance or fuel economy. "The marketing will center on the point that hybrids have always been about compromise," says Ben Poore, Infiniti Business Unit vice president.