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Nissan Terra SUV concept (2012) first official pictures

This is the Nissan TeRRA (which we'll be referring to as the Terra from now on.) It's a hydrogen fuel cell-powered concept car that'll debut on Nissan's stand at the 2012 Paris motor show from 27 September. Strictly a design study with no plans for production, it does nevertheless confirm that Nissan is thinking seriously about fuel cell-equipped cars, and that once the infrastructure is viable, Nissans will be quick to adapt to a hydrogen-fuelled future. It's not Leaf-style EVs, you know.

Spied: Cadillac ATS-V and a production 2013 Cadillac ATS on the road

Autoweek reader Christina McNeal shot these photos of a 2013 Cadillac ATS out cruising the highways of Michigan. General Motors' BMW 3-series fighter was finished in a metallic dark blue and wore manufacturer plates. According to its badging, it was powered by Cadillac's 3.6-liter six.

BMW Concept X4 (2013) first pictures of baby X6 coupe-SUV

This is the BMW Concept X4, which borrows the idea of an SUV with coupe proportions from its X6 brother, and shrinks the template down to the size of an X3. But don't be fooled by the 'Concept' tag of this car – like the Concept 4-series coupe we saw in 2012, the X4 is very much confirmed for production, and will receive only detail styling tweaks before it goes on sale in mid-2014. It'll be built alongside the X3, X5 and X6 models at BMW's Spartanburg factory in the USA from early 2014.