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

NHTSA upgrades probe of 1.2 million Toyota Corollas, Matrixes

Federal regulators have upgraded an investigation of as many as 1.2 million Toyota Corollas for possible engine stalling. Consumers have filed 1,101 complaints about Corollas and Corolla Matrixes for 2005-07 models, the National Highway Traffic Safety Administration said in a filing on its Website. “The engine can stall at any speed without warning and not restart,” NHTSA said in describing the problem.

Mercedes S-class (2013) first official pictures

This is the new Mercedes-Benz S-class. It’s one of the most important new cars of 2013, and the decade: it's a complete gadget and tech fest, with everything from suspension that can 'see' the road ahead, to heated armrests, plus a four-cylinder diesel hybrid model that'll do over 64mpg and emit just 115g/km CO2. Read on for the full story on the new Mercedes S-class...

McLaren P1 (2013) CAR's race-speed Goodwood ride

The McLaren P1 leaves the startline like a shard of shrapnel riding the percussion wave of an explosion. It needs high-definition slow-mo to describe it, like those films of a bullet shattering an apple, or the slow-motion shots of an F1 car skipping over a kerb, front wing flexing, tyres deflecting, all that physics captured in beautiful, drowsy detail. In my mind, when I re-live the first moments of my ride up the Goodwood hillclimb in McLaren’s new hypercar, I see the release of energy in the same 1500-frames-per-second style.