This e-bike is powered by a 66 lb-ft motor and is limited to Europe's top speed of 15.5 mph and has a peak range of 81 miles; ...

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The custom pulse-jet bicycle burns $3 per mile. The quiet electric ride costs half a cent. Which one would you actually want in your garage?

Now this is a road hog. Triumph has unveiled a new motorcycle that has the largest engine of any production bike from a major manufacturer. The Rocket 3 TFC is powered by a 2.5-liter three-cylinder ...

Has there ever been a time when the subject of motive power has been more widely discussed? The demise of fossil fuels, the rise of electricity, alternative fuels, hybrid powertrains: it seems that's ...