The U.S. government finally issued its long-debated rules for noise-making devices in so-called "quiet cars." They require all new hybrid and plug-in electric cars to emit noises that alert pedestrians to their presence. Because these cars operate near-silently on electric power, regulators have expressed concerns that they constitute a greater... Feds issue mandatory-noise rule for new electric, hybrid cars
The U.S. government finally issued its long-debated rules for noise-making devices in so-called "quiet cars." They require all new hybrid and plug-in electric cars to emit noises that alert pedestrians to their presence. Because these cars operate near-silently on electric power, regulators have expressed concerns that they constitute a greater...