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

One Lap of the Web: Lupe Fiasco, the Peel P50 and Dubai's supercar patrol fleet

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- This weekend was a car enthusiast's dream with the Indy 500, NASCAR Coca-Cola 600 and the Monaco Grand Prix.

General Motors to keep green car technology in house

For the first time in its 100-year history, General Motors plans to design, develop and manufacture electric motors for its growing array of gasoline-electric hybrids and electric vehicles. The electric motors used in GM's current lineup of hybrids are made to GM specifications by outside vendors. GM wants to bring the design and manufacturing in-house to save money and to apply its own technology to boost performance, lower weight and reduce power consumption, said Larry Nitz, GM's chief hybrid powertrain engineer.

Infiniti-designed Santa's sleigh (2010)

Today's sleighs are courtesy of Infiniti. The design team in Japan have sketched out a couple of Infiniti sledges for Father Christmas to deliver his presents across the globe in imperious style. The first sleigh looks like an Essence supercar concept meets an FX crossover - from that long snout and high-mounted, wedgy headlamps to the complex, textured surfaces, sliced and diced by a laser-pointer's worth of sloping lines flying off at all sorts of angles.