Energy & Green Tech

E-bike grumbles echo in the Bavarian Alps

Robert Werner and his wife Ursula usually make time to say a friendly hello to hikers as they ride their gently whirring e-bikes up trails in the Bavarian Alps.

Energy & Green Tech

Electric bikes soon to be humming along national park trails

Motorized electric bicycles may soon be humming along serene trails in national parks and other public lands nationwide. It's part of a new Trump administration order—hotly opposed by many outdoors groups—that will allow ...

Engineering

GeoOrbital shows rethink of bicycle wheel concept

Something called the GeoOrbital wheel is live on KickStarter. This thing is worth looking at, considering that out of a $75,000 goal the makers have gathered $252,266—and with 43 days still left to go.

page 4 from 4