EPA makes it official--greenhouse gases are pollutants

On the eve of an international climate summit, the EPA on Monday formally declared greenhouse gases to be dangerous pollutants, strengthening President Barack Obama's hand and laying the groundwork for a new 35.5 mpg standard for light vehicles. The finding is likely to have a greater impact on electric utilities, oil companies and manufacturers than on the auto industry. The EPA's scientific finding reported that these gases “are the primary driver of climate change,” which can intensify heat waves and increase ozone pollution linked to asthma and other respiratory illnesses.

Keyless ignition trends toward standardization

A federal plan to require automakers to standardize keyless ignition systems in the wake of Toyota's unintended acceleration problems is likely to mirror industry guidelines issued in January, an automaker group said. Large automakers except Toyota said they already comply with the guidelines crafted by SAE International or plan to do so. These "recommended practices'' seek to counter the variation, driver confusion and safety problems that have ensued since automakers started installing push-button ignition in luxury models.

Autoweek in review: Lambos on parade, record breakers and the Ferrari LaFerrari

The week kicked off with renderings of a Maserati MC12 successor. We also reviewed the 2013 Nissan Nismo Juke and 2013 Cadillac ATS. Tuesday, we bench raced a new crop of supercars, comparing the Ferrari LaFerrari, McLaren P1, Pagani Huayra and Bugatti Veyron Super Sport -- read here to find which one came out on top.