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rusEFI: Open-source homebuilt fuel-injection set to rival Megasquirt

Electronic fuel-delivery and ignition controls have given us a new golden age of engine efficiency and performance. Most of us would never go back to the dark ages—say, before 1990—when you could still buy new vehicles with carburetors and clunky distributors. From the point of view of those of us who like to modify our cars, however, the black-box nature of engine-control computers limits our options for making changes to how our fuel-delivery and ignition systems function.

Next BMW 7-series previewed in Vision Future Luxury concept

BMW has previewed key exterior styling elements, contemporary interior design touches, lightweight carbon fiber construction and innovative lighting systems to be incorporated on next year's sixth-generation 7-series with the unveiling of an arresting new concept car that goes under the name Vision Future Luxury. Revealed at the Beijing auto show, the big new sedan is described as a showcase for future BMW models. But while initial speculation suggested the Vision Future Luxury pointed at a possible 9-series flagship model to be installed at the top of the German car maker's lineup, BMW officials have confirmed the new concept was created more specifically as a pointer to the next 7-series, which is planned to head into North American showrooms late next year.

Nissan IDx concepts bring back budget racers

Nissan channeled its inner Datsun for the Detroit auto show on Monday. The Japanese brand showed off its IDx Freeflow and IDx Nismo concepts, which we first saw in Tokyo. The brand cited the new ways people buy and customize cars as the reason for the classic yet eye-catching style.