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Ford Focus ST & Fiesta ST get official power upgrades

Ford Focus ST & Fiesta ST (pictured) get Mountune power upgrades There’a a big after-market for tuning cars to deliver more power without wrecking economy or reliability, so it makes sense for car makers to get in on the act if they can. So Ford have teamed up again with Mountune (just as they did a few years ago to offer you 345bhp in your Focus RS) to offer performance upgrades for both the latest Focus ST and the Fiesta ST. The tuning package for the Focus ST boosts power to 271bhp – up from the stock power of 246bhp – and the 0-62mph time drops to under 6 seconds, half a second quicker than the normally tuned car.

Renault and Caterham to develop affordable sports cars

Renault and Caterham are to join forces to create new, more affordable sports cars under the Alpine badge. The two groups will establish a jointly owned new group – Société des Automobiles Alpine Caterham – under the leadership of Bernard Ollivier and will develop models to be sold as both Renault Alpine and Caterham. Tony Fernandes, Caterham Group Chairman, said: "We know the markets we are going into and, particularly in my playground in Asia, there is a huge opportunity to replicate the AirAsia model and give consumers access to exciting, affordable products that marry our interests in F1 and technology and help make their dreams come true." At this year's Monaco Grand Prix Renault unveiled the Alpine A110-50 concept, which was seen as a relaunch of the brand despite it being essentially a reworked version of the Renault-branded DeZir concept from the 2010 Paris Motor Show.

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.