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

EPA rules greenhouse gases pose danger; more regulation expected

The EPA has proposed a finding that greenhouse gases from new vehicles and industrial plants pose a danger to the public, kicking off a process that could result in tighter regulation of carbon dioxide emissions. The EPA's findings come two years after the U.S. Supreme Court ordered the agency to determine whether these emissions contribute to harmful air pollution under the Clean Air Act or whether the science is too uncertain.

Nissan to issue recall for faulty part in tire-pressure monitoring system

Nissan Motor Co. plans to recall as many as 143,000 cars to replace a tire-pressure monitoring system nut that may corrode and crack in areas with heavy concentrations of road salt, the government said today. The cracking of the nut in the monitoring system could cause it to fall out of the sensor-transmitter that it secures, the National Highway Traffic Safety Administration said in a report on its Web site.

McLaren unveils new supercar

After years of spy shots and speculation, McLaren Automotive finally took the wraps off its latest supercar, the MP4-12C. The MP4-12C follows the McLaren F1 (1993-1998) and the Mercedes-Benz SLR McLaren (2003-2009). McLaren Automotive says the MP4-12C is the first in a line of new sports cars it will produce, but won't say when or how many more will come.