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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.

Mercedes confirms SLK55 AMG’s new 5.5 V8

Mercedes has announced details of the new eight-cylinder engine that will power the upcoming SLK55 AMG. It’s a 5.5-litre lump, and AMG promises that its new naturally aspirated engine delivers not just the performance of a V8, but also the ‘economical fuel consumption of a four-cylinder’. How much power can we expect from the new SLK55 AMG’s engine?

Hennessey Cadillac Escalade gets 557 hp

The 2015 Cadillac Escalade is about as American as an SUV can be. We didn't find the 420-hp, 6.2-liter V8 lacking in any way, but if you want something with a little more grunt, Hennessey Performance Engineering and its HPE550 upgrade should help. Hennessey says the HPE550 Escalade package bumps output to 557 hp and 542 lb-ft of torque with the help of a belt-driven supercharger producing 6 psi.