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McLaren MP4-12C launches into production

It's finally happening. Perhaps the most anticipated British sports car in at least a decade--the McLaren MP4-12C--has gone into production. McLaren announced the news on Wednesday, and as many as 1,000 copies of the potent speedster will be built this year.

A heavy key chain may deactivate the airbags in your Chevy Cobalt or Pontiac G5

GM is recalling 788,000 Cobalt and Pontiac G5 sedans for a potentially deadly problem with the ignition system. When the vehicles' keys are connected to heavy key chains (or, say, key rings laden with a dozen extra keys), a sufficiently extreme jolt or impact could shift the ignition out of the "run" position and into the "off" position. Cuts electrical power to the vehicles' systems, in turn deactivating the airbags.

Nissan raises Leaf prices, adds retail markets

Nissan North America said Tuesday that it will add $2,420 to the price of the base model of its hard-to-get, slow-to-build electric Leaf sedan. Compared to 2011 model year's $33,630 base price, including delivery, the 2012 model will begin at $36,050. The car's upper-grade SL model will sell for $38,100, an increase of $3,530 over 2011.