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

Merc to revive straight six, plus 4cyl and smaller V8s

Mercedes has just signed off a new engine family which will see most full-sized Mercs in future run four-cylinders, downsized V8s and… straight sixes. A friendly Mercedes engineer recently met CAR to disclose the engine plans for future models, including the surprise disclosure that Merc plans to switch to straight sixes, like its rivals over in Munich.  It's fair to say I almost choked on my breakfast croissant when I found out the details of the next MB engine generation which has just been signed off for release in 2015. Mercedes' future four-cylinder engines Again, there will be a family of new low-cost fours, and the big-bore V8s will be replaced by a series of downsized turbocharged 4.0-litre units.

Nissan works to fix Leaf start-up glitch

Nissan is looking into a problem with the Leaf electric car. Some owners say the Leaf has sometimes failed to start--or power up or boot up? We're not sure what you call what happens when you push the button on an EV.

BMW X1 US launch delayed – because the new X3 is so good

BMW X1 - not in the US until late 2012 It would have been inconceivable just a few years ago that there could ever be a market in the US for a car like the BMW X1. But times have changed and even Americans see the benefits of a (much) smaller SUV, so BMW was originally planning on launching the X1 in the US around now. That X1 launch got put back until later in 2011 because the Leipzig plant – which builds the X1 – was running at capacity to meet the demands from Europe.