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

Cadillac Urban Luxury Concept (2010) first pictures

Cadillac today introduced what it describes as an 'urban luxury concept' - aka a posh supermini to rival the Mini. The small Cadillac was one of the surprises at the 2010 Los Angeles auto show and our reporters on the ground are calling it one of the hits of the show. Clay Dean, director of GM North America, said the Cadillac Urban Luxury Concept stood comparison with Europe's finest city cars. At just under 4 metres long and 1.7 metres wide, he has a point.

Australia's Holden to cease production after 2017, GM says

General Motors, in the latest blow to Australia's auto industry, will end vehicle and engine manufacturing and scale back engineering operations in the country by the end of 2017. The company's Holden unit, a mainstay in Australia for decades, cited the high cost of manufacturing in one of the world's smallest but most competitive markets and one that has also been upended by a steady rise in imports, mostly from southeast Asia. There has been widespread speculation of the move in recent days and earlier Tuesday, in Australia, GM officials said no decision had been made.

Concept Car of the Week: Mazda Taiki (2007)

Mazda had been doing fantastically well with its concepts since the end of 2006, and its offering for the 2007 Tokyo motor show didn't buck the trend. The fourth in the 'Nagare' series that explored the idea of 'Flow, it lined up on the Mazda stand with its older brothers for the first time, and was understandably a most impressive display and one of the highlights of this show. Here's what Nick Hull had to say about the Taiki at the time.