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

Toyota sets Nurburgring record... for fuel economy

WHATEVER else you might say about Toyota, it seems the brand has a sense of humour. Driving enthusiasts will hand their (petrol)heads in shame after Toyota completed the 12.9-mile German track at an average of 698mpg. The embarrassingly pedestrian time of 20 minutes and 59 seconds was set by motor journalist and Japanese car expert Joe Clifford, and since Toyota is the first to shame itself with a fuel economy run at the heart of performance car testing, it automatically sets a new efficiency record.

Porsche celebrates 50 years of the 911 at Pebble Beach

Seven generations across 50 years; nobody has ever matched what Porsche has done with the 911. What started out as the Porsche 901 quickly became the 911 – and wouldn’t take long to become a legend. As one of the most accomplished road-going supercars ever created, it's easy to see why the 911 is also a consummate champion in the motorsport arena – and to celebrate that fact, at Pebble Beach 2013 there was a huge array of road and race 911s, courtesy of Porsche itself along with a stack of private owners.Click through the gallery to see our pick of these great cars...

Local Motors XC2V Competition

Local Motors, producer of the Rally Fighter, has teamed up with the Defense Advanced Research Projects Agency (DARPA) to host a design contest. The partnership, which was made possible within the Adaptive Vehicle Makes initiative, aims to create an Experimental Crowd-derived Combat-support Vehicle (XC2V), exploring the potential of a crowd-sourced design for military use. The initiative to develop a crowd-derived vehicle body design for the US military was created in an effort to decrease the time and developmental costs associated with creating niche military vehicles.