Canyon unveils "revolutionary" pedal-powered concept vehicle
Electric-assist cargo quadracycle is bound for British streets
Single Bench Quadricycle 4 Wheel Surrey Bikes - YesSurrey Bike Co.
120-SPEED 1000 WATT PEDAL/ELECTRIC HYBRID QUAD - RevolUTion eQuad FS XL - Utah Trikes Custom Build - YouTube
Pedal Assist - Surrey Bikes: The Best Fun In Canada on Four Wheels
Rishock, a pedal assist electric quadricycle | Bicycle Design
CityQ Car-eBike fully enclosed electric pedal car begins pre-orders
Is this little four-wheeler an electric car or an e-bike? Apparently it's both | Electrek
Power of the pedal
Pedal Assist - Surrey Bikes: The Best Fun In Canada on Four Wheels
Is it an e-bike, is it an e-car? No, it's a bio-hybrid | Environment | The Guardian
5 Years Later, The PodRide Quadracycle Might Finally Be Ready To Order In 2021 - CleanTechnica
Exercise Your Power! | Solar & Pedal Power
VeloMetro's pedal-powered Veemo vehicle aims to get people out of their cars - YouTube
Is this little four-wheeler an electric car or an e-bike? Apparently it's both | Electrek
Canyon unveils "revolutionary" pedal-powered concept vehicle
Canyon unveils "revolutionary" pedal-powered concept vehicle
The Best Four Wheeled Bike | ParBike Quadricycle
Electric Bike Blog — E bikes | Electric bikes | Northampton
Quadricycle concept offers convertible take on velomobiles
Recumbent Quadricycles Archives - motrike
EAV Taxi, a Pedal-Assisted Quadracycle That Will Replace Cars in Crowded Cities - autoevolution
Electric Bike Blog — E bikes | Electric bikes | Northampton
Development of transaxle powertrain for electric pedal-assist quadricycle | Niche Vehicle Network
EAV Taxi, a Pedal-Assisted Quadracycle That Will Replace Cars in Crowded Cities - autoevolution
Rishock, a pedal assist electric quadricycle | Bicycle Design
ultra-green quadricycles clad in hemp and cashews could replace delivery vans
