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

Top 12 consumer car debuts at 2012 U.S. auto shows

The 2012 calendar year brought a lot of excitement in the automotive industry. Sales numbers show a gradual recovery, and pending federal fuel-efficiency requirements have fueled a slew of mainstream green technologies that don't dampen driving dynamics. Among the glitz of auto shows, some of our most memorable reveals from the year include such high-profile machines as the 2013 SRT Viper and Acura NSX concept.

Off the line: Fun cars and social responsibility Autoweek op-ed stands the test of time

It's been almost 21 years to the day that Autoweek printed Matt DeLorenzo's column “Off the Line: There's room for fast, fun cars in diet of social responsibility.” And in those two decades plus, not much has changed except the vehicles themselves. For example, sports cars like the Bugatti Veyron and Pagani Huayra have astronomically high performance and safety levels; similarly, sport-utility vehicles that haul entire families (and most of their earthly possessions) achieve fuel economy similar to that of 1970s midsize sedans. To read all of DeLorenzo's thoughts and his case for automobiles, click the links to download the article.

BMW i8's design explained [w/video]

BMW has released a new YouTube video describing how the i8's design attempts to forge a new relationship between functionality and form. The video explains how the i8's design targets practicality – with aerodynamics and fuel efficiency in mind – while maintaining a sporty and dynamic look. A number of cues such as the long wheelbase, short overhangs and sweeping roofline are identified as features that make the i8 such a unique design.