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

Porsche Cayenne Turbo S (2012) first official pictures

If you're a Porsche Cayenne buyer, it's unlikely you're too bothered about the political (in)correctness of your vehicle. Still, Porsche has somewhat injected a modicum of common sense into the new flagship model: the Cayenne Turbo S. Despite gains of 42bhp and 37lb ft over the already potent Cayenne Turbo, Porsche claims the Turbo S suffers no drop in fuel efficiency or inferior CO2 output.

Feds researching fire risks from EV batteries, regulator says

Federal safety regulators have begun an $8.75 million study of whether lithium ion batteries in electric vehicles pose a potential fire hazard, officials said Thursday. Kevin Vincent, chief counsel of the U.S. National Highway Traffic Safety Administration, said researchers are looking at whether the high-voltage batteries can cause fires when they are being charged and when the vehicles are in an accident.

One Lap of the Web: Turning second-hand clothes into Ferraris, drumming on the highway and 'Fast & Furious 6'

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- The next time you run out of gas, just pull out a drum kit until help arrives.