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Is the McLaren X-1 actually the new McLaren F1 under the skin?

It’s starting to look as if the McLaren X-1 – revealed at Pebble Beach – could actually be the new McLaren F1 under the skin. We knew that McLaren were heading to Pebble Beach with a new car, and we thought it was going to be the new F1. In the end it turned out to be the McLaren X-1, but could the X-1 actually be the new F1 under the skin?

Pagani, Mercedes-AMG say V12s are separate

Italian sports-car maker Pagani and Mercedes-AMG, the high-performance division of Mercedes-Benz, on Thursday said that the engine for the future Pagani C9 supercar is not the same engine used in the Mercedes-Benz SL65 AMG Black Series roadster. The unusual announcement--automakers typically don't comment on future-product programs--refutes reports about the Pagani C9's engine. In January, Road and Track magazine reported that the V12 for the C9 was derived from the V12 in the SL65 Black Series.

E85 makes inroads on cost and availability

Three years ago, we embarked on a Midwest road trip in search of what was then the Holy Grail of fuel: E85. Our findings weren't too positive--there were far more E85-compatible vehicles on the road in 2006 (5 million) than there were E85 pumps to fuel them (about 700 out of some 200,000 fuel stations nationwide). In addition, those burning the mix of 15 percent gasoline and 85 percent ethanol were paying a pretty penny for their earth-friendly ways, losing about 15 percent in fuel economy while often paying the same price as for regular unleaded.