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

Porsche engineer Rolf Frech named engineering chief at Bentley

The Porsche-ization of luxury-car maker Bentley moved another step forward on Wednesday as Rolf Frech was named as its engineering chief. Frech, who has been Porsche's director of the complete vehicle engineering group for the past decade, replaces Ulrich Eichhorn, who is set to become head of the VDA, the German auto-industry association. Eichhorn, 50, joined Bentley as engineering chief in 2003 from Volkswagen, where he had been in charge of research and development.

Mayor warning over London cycling protests

SAFETY protests sparked by the deaths of six cyclists on the streets of the capital risk scaring people off switching from cars to bikes altogether, London mayor Boris Johnson will warn today. Mr Johnson will urge "more careful" language, suggesting pro-cycling campaigners could jeopardise the push to boost bike use by concentrating on recent fatalities when overall numbers were not up. Mr Johnson - addressing a safety summit bringing together cycle and haulage groups - will hail a £913 million investment in safety measures but urge people not to expect instant results.

American muscle and hot rods at SEMA 2013: in pictures

As they say in the States, "there aint no replacement for displacement" – a theory all of the vehicles in our SEMA 2013 American muscle and hot rods gallery subscribe to. Some tuners at SEMA use turbocharging and supercharging to achieve massive horsepower levels from modified cars, but not most of the companies behind the tweaks on these American muscle cars and hot rods – green these vehicles most definitely aren’t, mean they most certainly are. Please click on the image above to read more on American muscle cars and hot rods at SEMA 2013…