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Concept Car of the Week: Buick Y-Job (1938)

Welcome to the first in a new, regular, series of features in which we highlight an important, forgotten or just plain cool concept car each week. Concept cars have thrilled and inspired for decades, testing the limits in terms of technology and design and shaping the ways cars are designed today. They're the pinnacle of our art and probably the thing that first piqued your interest in car design.

Mazda Hazumi Geneva concept car hints at next 2 supermini

Mazda Mazda has issued this solitary teaser image of the new Hazumi concept car, which will be unveiled fully at the 2014 Geneva Motor Show. The Mazda Hazumi will give plenty of clues about the next generation Mazda 2 supermini, bound for showrooms in 2015. It's plain to see from this shadowy teaser photo that the next Mazda 2 will gain plenty of design inspiration from the latest family look as seen on the Mazda 3 rival for VW's Golf.

Missing oil changes is false economy

TRYING TO SAVE money on motoring costs by not changing a car’s oil is risking a false economy as it could lead to more wear and fuel consumption, according to Two-thirds (65%) of British drivers admitted they have not changed the oil in their car in the last 12 months, with the same number admitting they buy oil for their car based solely on price. The same study by Mobil 1 also showed only 45% of drivers knew when their car’s scheduled service intervals were, while 15% said they would cut back on servicing to save money. Dan McGoldrick, of Mobil 1, said: ‘Choosing the right oil for your car is vital as it means both the lubricant and the engine will last longer, so you’re saving in the long term.’ Tim Shallcross, Head of Technical Policy at the Institute of Advanced Motorists, added: ‘Apart from lubricating the engine, oil has the important job of absorbing harmful by-products given off by the burning fuel.