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Chevrolet prices CNG-ready Impala for 2015

Chevrolet announced pricing for the upcoming CNG-capable 2015 Impala sedan, which can run both on gasoline and compressed natural gas. The sedan will start at $38,210 and will go on sale in late fall of 2014. This version of the Impala will be available in base LS trim as well as the more luxurious LT trim, though Chevrolet has not announced pricing specific to the higher-spec LT model.

Concept Car of the Week: Nissan NX-21 (1983)

In the early 1980s, with the new millennium still seemingly an age away, Nissan Design America was tasked with imagining the family car of the future, while giving potential buyers a preview of the forthcoming N13 NX and EXA models. The resulting concept would be shown at the Tokyo motor show in 1983. Given confidence by the increasing success and expanding global presence of Japanese cars, including the previous generation N12 NX, Nissan's designers, led by Tom Semple, decided that the NX-21 (for 21st century) was the answer.

Mercedes F800 Style concept (2010) first pictures

This is the new Mercedes F800 Style, a stunning concept car that the Germany company will unveil at the 2010 Geneva motor show next month. The exterior previews the next CLS (and Mercedes’ future design language) while under the skin there’s all sorts of clever tech, from the next generation of HMI control systems to plug-in and fuel-cell powertrains. Mercedes calls it a ‘multi-drive platform’, and the F800 Style is built to take both hydrogen fuel-cell and plug-in hybrid powertrains, with the former offering a range of 375 miles and the latter allowing for 19 zero-emissions miles.