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

Cummins works on a 28-mpg diesel with V8 power for pickups

Cummins Inc. is developing a four-cylinder diesel engine aimed at giving full-sized, light-duty pickups the power of a small V-8 and overall fuel economy of 28 mpg. The project began in September using the Nissan Titan pickup, which is being used to test the engine, pickuptruck.com reports.

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.

One Lap of the Web: Lamborghini Gallardo replacement, Audi scrutineering and a morning dose of classic sheetmetal

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. Details regarding the Korres Project 4 have surfaced today.