Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

BMW & Toyota agree joint development of new sports car

BMW and Toyota have signed a binding agreement to co-develop a new sports car and continue with co-developed and shared technology. The way forward for car makers seems to be either to be as big as possible for the benefits of economy of scale, or to work together on joint products to cut development costs. Which is why BMW and Toyota are getting cosy.

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.

Detroit auto show: Autoweek editors' picks

The press conferences are over (our feet are killing us), our staff has stopped wrestling, and the ballots are counted. The 2014 Detroit auto show had dozens of never-before-seen cars and trucks gleaming under the Cobo Center lights. Here are the four we, the Autoweek staff, think stood out the most.