Engine Intake Manifold Gasket Set Fel-pro Ms 96440 on 2040-parts.com

Mazda brings diesel back to Indy with 6 Skyactiv-D

Diesel has enjoyed great success lately as a racing fuel, but there's one place it hasn't appeared for more than six decades: Indianapolis Motor Speedway. Mazda's breaking that dry spell this weekend, when its Mazda 6 Skyactiv-D race car will head to Indy for the Grand-Am race. We like the 6 in both road trim and racing livery, but that previous diesel-powered racer -- the Cummins Diesel Special -- is pretty neat too.

A third of motorists don’t like driving

Ever take your car out for a spin for no apparent reason? If you do, you’re a rare breed according to research carried out by the Institute of Advanced Motorists (IAM). Not only do two thirds of 2,229 drivers polled never drive for the sake of it – and a third actively dislike driving.

918 Alert! Porsche's stinging spyder grows closer to becoming reality

The first fully road-going prototype of Porsche's upcoming 202-mph hybrid-powered 918 Spyder has been seen during shakedown runs at the company's R&D center in Germany. Porsche released its own lightly disguised photographs of the cars being tested. The mules are “camouflaged” in livery meant to summon the famous 917 racer.