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

BMW's yearlong Mini E trial exposes infrastructure problems

Early next decade, BMW of North America plans to sell an electric "megacity car" as a subbrand of BMW, similar to the brand's M high-performance cars. But further details are skimpy. BMW already is preparing for that launch.

Olympian Hoy dreams of racing at Le Mans

SIR CHRIS HOY is planning a competitive comeback in 2016, with the Le Mans 24 hours race the target rather than the Rio de Janeiro Olympic Games. The 38-year-old is Britain's most decorated Olympian with six gold medals, including two at London 2012, and has won 11 world titles. He announced his retirement in April 2013, but his passion for motor racing and competition will be fulfilled after agreeing a deal with Nissan, which will see him compete in the 2014 British GT Championship.

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…