Truck operators, like all food vendors in the city, must be licensed and permitted, and comply with various rules and regulations.
Truck operators, like all food vendors in the city, must be licensed and permitted, and comply with various rules and regulations.

The idea of adding noise-makers to vehicles that are "too quiet" didn't exist until the first hybrid-electric cars hit the market in 2000. Within a few years, however, organizations representing the blind began to raise alarms that cars operating at low speeds solely on electric power couldn't be heard by pedestrians who also couldn't see them...

Less than two years from now, barring action by the Trump administration, a National Highway Traffic and Safety Administration rule will require hybrid and electric cars to produce an audible noise under 19 mph. Alongside its Nissan IMx self-driving electric SUV concept it launched at the recent Tokyo Motor Show, the maker of the world's...

Modern electric cars have been on U.S. roads for seven years or so, and owners love their smooth, quiet, close to noise-free operation. That silence has been a bone of contention for even longer, however, since hybrids operating purely on battery power are similarly quiet. For years, the U.S. Department of Transportation was charged with drafting...

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...