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

Europe's road train technology ready for testing

Work is accelerating at Europe's project to let clusters of cars drive together in convoy on motorways - with no input from the driver. The so-called Sartre project today issued a new video showing how its work is developing. Ah, that'll be the Europe-wide Sartre road safety project. It stands for Safe Road Trains for the Environment and is part-funded by the European Commission.

Honda and Acura to extend incentives on out-of-stock vehicles

Honda has told its U.S. dealers to honor discount offers on models that aren't in stock in a bid to keep customers from buying from rivals as the automaker copes with shortages caused by the March earthquake and tsunami in Japan. The new program is called the Honda Promise, according to news-service reports.

Porsche Panamera S E-Hybrid does 62mpg in the hands of motoring journalists

The Porsche Panamera S E-Hybrid – a Panamera with a plug-in hybrid powertrain – arrives last month, along with a 2013 facelift for the Panamera range , complete with claims from Porsche that it could do 91mpg. That was never going to happen in the real world, but Porsche has followed up its official economy figures with a degree of proof that the Panamera E-Hybrid can actually achieve very impressive economy numbers in the real world, and in the hands of motoring journalists – a group not renowned for their light touch on the throttle. At a press event in Hockenheim, Porsche let car journalists loose on the Panamera E-Hybrid for a total of 42 drives over a total distance of 750 miles and returned an average of 62mpg.