Senate unanimously rules in favor of noisy hybrids, electric cars

Regardless of whether or not there’s an actual need for pedestrian warning systems for hybrid and electric vehicles, the U.S. Senate has voted unanimously to approve a measure that would make the noise-adding setup standard on all vehicles that can operate – even if just momentarily – without the burble of an engine.The measure, called the Pedestrian Safety Enhancement Act of 2010 and backed by