China will also commission four jointly-built diesel-electric super-quiet submarines.
And being quiet, electric trainers should not annoy the neighbours as trainee pilots practice their take-offs and landings.
Trolleybuses had the advantages of electric propulsion (more quiet operation, avoidance of fumes, and faster acceleration) and could load passengers at the curb, but they were less flexible than the motor bus.
In a phone interview, Mr. Martens said that the special management area could, for instance, give the state leeway to restrict motorboats to those with quiet electric engines and allow more motorized access during the less busy "shoulder seasons" of spring and fall.
Indeed, in her bubble, its quiet electric motor purring, Ms. Tarr no longer views traffic as the supreme obstacle that her auto-bound peers do: while the high-seated S.U.V. gives a driver the illusion of being above the fray, the GEM lets her scuttle cheerfully alongside.
A $135,000 Tesla S clocked by Motor Trend magazine went from zero to 60 miles per hour faster than Ferraris, Lamborghinis or Porsches costing hundreds of thousands of dollars more. Electric cars are quiet, nearly vibration free and they don't smell like gasoline or exhaust.
Electric buses are quiet, where internal combustion engines that use diesel or CNG are noisy.
Besides that, he said, electric bikes are quiet, so riders can hear what's happening around them, and won't disturb the peace, which their neighbors appreciate.
The cars were wrapped in black-and-white graphic camouflage to disguise their exact designs, but the cars did drive out under their own quiet electric power (unlike Faraday Future's much-hyped prototype).
Bicycles and cars don't play well together, and between a rapid increase in smartphone-driven distracted driving and the increasing prevalence of quiet electric and hybrid cars which make little or no noise to announce their approach, things on the road are getting more challenging than ever for the nation's cyclists.
Its electric engine is quiet.
