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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.

Nissan Esflow concept

Nissan will debut the Esflow concept at the forthcoming Geneva motor show. Billed as a sports EV, the concept aims to prove that sacrificing petrol does not equate to losing driving pleasure. The rear drive, two-seat car features traditional sports-car styling, while the cab back, long hood and high waistlined proportions arc back to the original Datsun Z cars.

All-new Ford F-150 revealed at 2014 Detroit Motor Show

Ford has revealed an all-new version of the States' bestselling vehicle, the F-150 pick-up – and in a world first, the US favourite boasts an all-aluminium body and lightweight, high-strength steel frame. The new Ford F-150 is more than 300kg lighter than the model it replaces and, thanks to four engine choices including an all-new downsized 2.7-litre EcoBoost turbo, is much more fuel efficient too. Given that Ford sold a staggering 763,402 F-150s in 2013 alone, these changes will have a very positive effect in terms of the new model's environmental impact.